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Home / Mattress Resources / How to Read a Mattress Tag
Mattress Resources

How to Read a Mattress Tag

by Sarah Anderson: Certified Sleep Coach and Mattress Tester CERTIFIED SLEEP COACH Comment on How to Read a Mattress Tag
Updated January 29, 2025

Our proficient team of sleep science coaches, engineers, and product evaluators rigorously inspect hundreds of mattresses using our unique product methodology. Each article is scrutinized for precision, citing only credible sources. Systematically reviewing our content and recommendations, we align with the latest scientific literature and expert insights. Our top-rated mattresses have been personally evaluated and highly rated.

Key Takeaways

  • Essential Information: Mattress tags provide critical details about materials, safety certifications, and care instructions for better maintenance and health.
  • Safety and Compliance: Tags include safety standards, such as flammability regulations and certifications like CertiPUR-US, OEKO-TEX, and GOLS.
  • Allergen Awareness: Tags help identify potential allergens like latex or chemical flame retardants, allowing consumers to make informed choices.
  • Warranty Protection: Keeping the tag intact ensures warranty validity and provides proof for potential claims, including defects and repairs.

Most people have heard the warning “Do not remove under penalty of law” on mattress tags, but few understand the wealth of valuable information these labels contain. These tags serve as more than just legal requirements—they’re essential guides for mattress care, safety, and longevity.

Reading a mattress tag can help consumers make informed decisions about their sleep environment. From material composition to care instructions, these tags contain critical details that affect both comfort and health. Located typically on the head or foot of the mattress, these tags provide specific information about materials, safety certifications, and maintenance requirements that every mattress owner should know.

This comprehensive article breaks down the essential elements of mattress tags, explaining their significance and helping readers understand why these small pieces of fabric carry such important information.

Understanding Mattress Tag Basics

Every mattress sold in the United States comes with a set of tags, commonly known as “law tags” or “law labels,” that serve as important information sources for consumers. These tags aren’t just random pieces of fabric—they’re carefully designed information panels that follow strict regulatory guidelines.

Anatomy of a mattress tag

A standard mattress tag consists of several key components. The most recognizable part is the bold warning statement, “DO NOT REMOVE UNDER PENALTY OF LAW EXCEPT BY THE CONSUMER.” Beyond this familiar phrase, the tag includes sections for material content, manufacturing details, and safety compliance information. All tags must be in English, and generic names for materials rather than branded terms must be used to avoid confusion.

Where to find important information?

Mattress tags are typically attached to the mattress’s head end or along its sides. The information is organized in distinct sections, making it easier for consumers to find specific details. The most crucial information, including materials and safety certifications, is usually prominently displayed on the front of the tag.

Common symbols and their meanings

Several important certifications appear on mattress tags, each indicating specific quality and safety standards:

  • CertiPUR-US: Confirms low VOC levels in memory foam
  • OEKO-TEX: Verifies freedom from harmful substances
  • GOLS: Certifies organic latex content
  • GOTS: Validates organic textile standards

These certifications help consumers make informed decisions about their mattress purchases. The tag might also include fire safety symbols and care instruction icons similar to those found on clothing labels. Manufacturers must follow standardized formats for these symbols to ensure consistency and clarity across all products.

Decoding Material Information

Understanding what goes into a mattress is crucial for making informed sleep decisions. The material information section of mattress tags provides detailed insights into the composition of every layer and component.

Reading fiber content percentages

Mattress tags list filling materials as percentages by weight, similar to food labeling. These percentages help consumers understand the exact composition of their mattresses. For example, a typical listing might show “80% Polyurethane Foam, 20% Polyester Fibers”. These percentages can vary based on mattress size, as the proportions of materials change with different dimensions.

Understanding filling materials

The law requires manufacturers to disclose all materials used in the mattress, including those in the cover, internal layers, and other components. This regulation dates back to the early 1900s when it was implemented to prevent manufacturers from using questionable materials like horse hair and corn husks without consumer knowledge. Today, manufacturers must use standardized terminology for materials, making it easier for consumers to compare different mattresses.

Identifying potential allergens

Mattress tags serve as crucial tools for identifying potential allergen sources. Studies have found a significant presence of common allergens in mattress dust, including:

  • Fish allergen (detected in 46% of mattresses)
  • Peanut allergen (found in 41% of samples)
  • Milk protein (present in 39% of cases)
  • Egg allergen (detected in 22% of mattresses)

Beyond these common allergens, consumers should watch for specific materials that might trigger reactions. Latex, a natural rubber material, can cause allergic reactions in sensitive individuals.

Additionally, some mattresses may contain chemical flame retardants or volatile organic compounds (VOCs) in foams and adhesives that could affect sensitive users. The tag information helps consumers make informed choices about potential exposure to these materials.

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Navigating Safety and Certification Labels

Safety certifications and standards form the backbone of mattress quality assurance, protecting consumers from potential hazards while ensuring product reliability. Understanding these labels helps consumers make informed decisions about their mattress purchases.

Required Safety Standards

All mattresses sold in the United States must comply with two primary federal safety standards: 16 CFR Part 1632 and 16 CFR Part 1633. These regulations focus on flammability testing and safety requirements.

The standards specify that mattresses must pass specific heat release tests, with peak rates not exceeding 200 kilowatts and total heat release staying under 15 megajoules in the first 10 minutes of testing.

Every mattress must have a permanent, legible label that includes:

  • Manufacturer’s name and complete address
  • Month and year of manufacture
  • Model identification
  • Prototype identification number
  • Certification statement of compliance

Common Certification Symbols

Beyond mandatory safety standards, several voluntary certifications indicate additional quality and safety measures:

  • CertiPUR-US: Verifies foam is made without ozone depleters, heavy metals, or formaldehyde and has low VOC emissions
  • OEKO-TEX Standard 100: Tests for over 100 harmful substances
  • GREENGUARD Gold: Certifies stricter standards for chemical emissions
  • GOTS: Requires at least 95% certified organic materials
  • GOLS: Ensures latex contains a minimum of 95% organic raw material

Verification Methods

Consumers can verify certification authenticity through several methods. For CertiPUR-US certification, buyers should check the participating companies’ online consumer directory. Most certification organizations maintain public databases where consumers can verify certificate numbers and validity.

Manufacturers must provide documentation through either a General Certificate of Conformity (GCC) for standard mattresses or a Children’s Product Certificate for mattresses designed for children under 12. These certificates verify compliance with applicable safety standards and must be available upon request.

For children’s mattresses, additional verification requirements include:

  • Testing by CPSC-accepted laboratories
  • Periodic sample testing
  • Tracking labels on both product and packaging

Regular certification renewal is crucial, as most certifications expire within 6 to 12 months. Consumers should check certification dates when purchasing a mattress to ensure current validity.

Making Sense of Warranty Information

Warranty information represents a vital component of mattress tags, serving as a crucial reference point for consumer protection. The Federal Trade Commission requires sellers to make warranties available to consumers while shopping, making these tags an essential tool for understanding your rights.

Locating warranty details

Mattress tags typically include warranty information alongside material and care instructions. The tag contains essential details such as the length of coverage and the manufacturer’s warranty code. Keeping this tag intact is crucial, as it serves as proof of warranty for filing potential claims. Most manufacturers place this information on the same tag that lists material content, making it easily accessible for reference.

Understanding coverage terms

Mattress warranties come in several forms, each offering different levels of protection:

  • Non-prorated coverage: Provides 100% coverage for eligible repairs or replacements
  • Prorated coverage: Requires partial payment based on mattress age
  • Combination coverage: Offers both prorated and non-prorated periods

Common defects covered under warranty include:

  • Mattress sagging beyond the specified depth
  • Split seams
  • Broken handles
  • Damaged coils

Documentation requirements

Filing a warranty claim requires specific documentation to ensure proper processing. Essential items include:

  • Original bill of sale (receipt)
  • Product serial number
  • Law label (tag)
  • Photos or videos of defects

Manufacturers often send inspectors to evaluate mattress conditions for warranty claims. This process helps verify the legitimacy of issues and ensures appropriate resolution. Some companies require specific measurements or documentation of defects, making it essential to maintain detailed records of any problems that arise.

It’s worth noting that certain actions can void a warranty, such as removing the law tag or transferring ownership. Additionally, warranties typically don’t cover normal wear and tear, comfort preferences, or damage from improper use. Understanding these limitations helps consumers maintain their warranty coverage and know when they can make valid claims.

Using Tag Information for Maintenance

Proper mattress maintenance begins with understanding the care instructions found on mattress tags. These small but significant labels contain vital information that helps extend the life of your sleep investment while maintaining optimal hygiene.

Care instruction symbols

Mattress tags feature universal care symbols similar to those found on clothing labels. Common symbols include:

  • Water temperature indicators (30°-95° Celsius)
  • Drying method symbols (tumble dry, line dry)
  • Chemical treatment indicators
  • Steam cleaning permissions
  • Professional cleaning recommendations

These symbols provide quick visual guidance for proper maintenance procedures, helping prevent accidental damage during cleaning attempts.

Cleaning guidelines

Regular maintenance helps preserve mattress quality and extends its lifespan. Professional cleaning services recommend following these essential steps:

  1. Regular vacuuming with an upholstery attachment
  2. Spot cleaning with appropriate cleaners
  3. Periodic sunlight exposure for natural disinfection
  4. Using mattress protectors
  5. Following tag-specified temperature guidelines

For optimal mattress care, experts recommend vacuuming every three months and addressing spills immediately to prevent stains from setting. Environmental factors like humidity levels and air quality can influence cleaning frequency requirements.

When to seek professional cleaning

Professional mattress cleaning becomes necessary under specific circumstances. Studies show that professional deep cleaning effectively removes sweat, dust mite matter, and non-living allergens trapped in mattress fibers.

Different mattress types require specific cleaning approaches. For instance, memory foam mattresses need dry cleaning methods, while traditional spring mattresses can undergo hot water extraction. Professional cleaning services typically offer:

  • Deep cleaning for stubborn stains
  • Sanitization treatments
  • Allergen removal
  • Deodorization services

Experts recommend professional cleaning every 12-18 months for optimal maintenance. However, certain conditions may necessitate more frequent professional attention:

  • Allergy Symptoms: If occupants experience increased allergic reactions or respiratory issues, it might indicate the need for professional cleaning. Common warning signs include waking up with a runny nose, itchy eyes, or irritated skin.
  • Environmental Factors: High humidity areas or locations with significant air pollution may require more frequent professional cleaning to maintain mattress hygiene. Professional cleaners use specialized tools and methods that regular household cleaning cannot match.
  • Pet Presence: Households with pets should consider more frequent professional cleaning to address pet dander and associated allergens. Professional services can effectively remove these deeply embedded particles that regular vacuum cleaners might miss.

The cost of professional cleaning varies based on mattress size and condition, with many companies offering discounted rates for multiple mattresses. When selecting a professional service, look for companies that provide satisfaction guarantees and have positive customer reviews.

Remember that maintaining proper documentation of professional cleaning can be important for warranty purposes, as some manufacturers require proof of regular maintenance to keep warranties valid. Professional cleaning not only extends mattress life but also creates a healthier sleeping environment by eliminating accumulated allergens and contaminants.

FAQs About How to Read a Mattress Tag

Why Do Mattress Tags Have Labels That Say “Do Not Remove”?

Mattress tags often include a warning that states, “Do Not Remove Under Penalty of Law,” but this applies only to manufacturers and sellers. These tags are designed to inform consumers about the materials inside the mattress, ensuring safety and transparency. Once purchased, you can legally remove the tag as the owner.

What Information Can I Find on a Mattress Tag?

Mattress tags typically provide details about the materials used (e.g., foam, springs, or latex), fire safety compliance, manufacturing date, and care instructions. This information is essential for understanding your mattress’s composition and maintaining it properly.

How Do I Identify the Manufacturing Date on a Mattress Tag?

The manufacturing date is usually listed under the “Date of Manufacture” or “DOM” section on the tag. Knowing this date can help you track the age of your mattress and determine when it might be time for a replacement.

Why Is the Mattress Tag Important for Warranty Claims?

Mattress tags often include details like the model number, serial number, and purchase date, which are crucial for warranty claims. Removing the tag might void your warranty, so it’s best to keep it attached or store it safely after removal.

How do I know which side of the mattress is up?

Check the mattress label or tags—most mattresses have instructions indicating the top side. The softer, cushioned side is usually the top for pillow-top or memory foam mattresses.

How to Tell How Old Your Mattress Is?

Check the mattress tag for the manufacturing date or receipt for the purchase date. Signs of aging include sagging, lumps, and reduced comfort. Most mattresses last 7–10 years before needing replacement.

What Should I Do if I Can’t Understand the Mattress Tag?

If the information on the mattress tag seems unclear, you can consult the manufacturer’s website or customer service. They can help explain terms, abbreviations, and care instructions to ensure you use and maintain your mattress correctly.

Conclusion

Mattress tags serve as essential guides that protect consumers and enhance their sleep experience. These small fabric labels pack vital details about materials, certifications, and care instructions that directly impact mattress performance and longevity.

Smart consumers keep their mattress tags intact and refer to them regularly. The information helps identify potential allergens, verify safety standards, and maintain warranty coverage. Regular maintenance following tag-specified guidelines ensures optimal mattress performance while creating a healthier sleep environment.

Knowledge of mattress tag details empowers buyers to make educated decisions about their sleep surfaces. Armed with this understanding, consumers can better evaluate mattress options, maintain their investment properly, and ensure compliance with manufacturer requirements for long-term protection.

About the author
Sarah Anderson: Certified Sleep Coach and Mattress Tester
Sarah Anderson: Certified Sleep Coach and Mattress Tester
CERTIFIED SLEEP COACH

With nearly five years of experience as a certified sleep coach and mattress tester, Sarah Anderson is renowned for her detailed and nuanced content on mattress reviews and sleep health. Sarah’s expertise is backed by her degree in journalism from Arizona State University, which she earned in 2016.

She has contributed to over a dozen respected publications, including 9NEWs, the Arizona Republic, and the Fresno Bee. Her articles are known for their thorough research and insightful analysis, making her a trusted voice in the sleep industry.

Find more articles by Sarah

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