4 inch queen mattress topper

Bestseller No. 1
Milliard Premium Memory Foam Hypoallergenic Infant Crib Mattress and Toddler Bed Mattress with Waterproof Bamboo Cover, Flip Dual Stage System - 27.5 inches x 52 inches x 5.5 inches
  • COMFY: Made from a firmer foam base and topped with top quality memory foam this mattress combines durability, comfort, support, and luxury for the better night's sleep.
  • CONVENIENT: Comes with a removable machine washable utlra-soft bamboo cover for added softness.
  • TESTED: The foam is CertiPur certified to be low VOC and free of heavy metals. The mattress meets or exceeds all US standarards for crib mattresses.
  • LONG-LASTING: Our memory foam supersedes all with superior 3lb. construction that will not lose its shape and is made to last for years.
  • DIMENSIONS: Measures 27.5"x52"x5.5" fits all standard size cribs.
SaleBestseller No. 2
Graco Premium Foam Crib and Toddler Mattress in a Box – GREENGUARD Gold Certified, Non-Toxic, Breathable, Removable Washable Water Resistant Outer Cover
  • MATTRESS IN A BOX: This crib and toddler mattress ships compressed in a lightweight box for ultimate convenience; For optimal performance, unroll your mattress within 2 weeks of purchase to allow for proper expansion in a room temperature setting. The mattress cover is made up of 100% Polyester
  • WATER-RESISTANT, REMOVABLE, WASHABLE OUTER COVER: This crib mattress’ soft outer cover is water-resistant, removable and machine washable; Gently unzip the outer cover, machine (or hand) wash in cold water (delicate cycle only, no bleach), and hang dry (do not place in dryer machine) to keep your child’s sleep environment fresh, clean, and cozy
  • RECOMMENDED MATTRESS FIRMNESS FOR BABY: Recommended mattress firmness for infant's safer sleep; Mattress core made of high-quality, breathable foam to maximize air flow
  • RIGOROUSLY TESTED AND CERTIFIED: This mattress is GREENGUARD Gold certified, free of prohibited phthalates, lead, and mercury, meets or exceeds all applicable ASTM International and CPSC safety standards, and meets all applicable federal flammability standards; Backed by a 6-year limited warranty
  • FITS STANDARD FULL-SIZE CRIB AND TODDLER BED: This crib mattress is designed to fit any standard full-size crib and toddler bed; Length (52 inches) x Width (27.6 inches) x Height (up to 5 inches); Weight (7 pounds); Mattress made of polyurethane foam
Bestseller No. 3
Milliard 2-Inch Ventilated Memory Foam Crib and Toddler Bed Mattress Topper with Removable Waterproof 65-Percent Cotton Non-Slip Cover - 52" x 27" x 2"
  • SLEEP IN COMFORT – this topper is designed just like the memory foam toppers on adult beds to provide contouring comfort that’s soft and soothing on tiny bodies and reduces tossing and turning so your little one can get a better night sleep - and you can too!
  • WATERPROOF COVER – Comes with a top-quality, hypoallergenic cover that’s both waterproof and washable so you can rest easy knowing your topper is protected from spills and other nighttime accidents.
  • QUALITY THAT LASTS - constructed of 2-inch-thick, luxurious, 100% memory foam with a premium 2.5 lb. density so your topper can last for years without losing shape. Aerating holes are carefully added to each topper to increase ventilation while your child sleeps.
  • SAFETY FIRST – Foam topper is CertiPUR-US certified for your child’s safety and the included cover is hypoallergenic, so you can rest in the knowledge that you are providing a comfortable and safe sleep environment for your child.
  • MORE DETAILS – Soft topper is not intended for babies. Consult with physician for safety recommendations. Topper measures. 52" x 27" x 2". Please allow 24 to 48 hours for foam to expand after opening.
Bestseller No. 4
Milliard Crib Mattress, Flip Technology, Firm Side for Baby and Soft Side for Toddler - 100% Cotton Cover
  • COMFORT:This mattress features a firmer side for infants and a plush memory foam side for older babies and toddlers.
  • COTTON COVER: A waterproof washable cotton cover protects your mattress.
  • TESTED: Meets or exceeds all US safety standards and requirements and uses only CertiPur certified foam.
  • QUALITY: Milliard foam supersedes all with superior high density construction that will not lose its shape.
  • DIMENSIONS: Fits in standard sized cribs and toddler beds. Measures: 52 x 27½ x 5.5 inches.
Bestseller No. 5
Dourxi Crib Mattress and Toddler Bed Mattress, Dual Sided Sleep System, Firm Side for Infants and Plush Soft Side for Toddlers, Breathable Foam Baby Mattress with Removable Cover
  • 【Dual Sided Sleep System】 Our baby crib mattress features 2-stage dual firmness to support your baby into the toddler years. A firm side for infants and a cushion firm side for toddlers. This tailored approach offers specialized attention based on the stage of the child (safety for infants, and comfort for toddlers)
  • 【Measures】52 x 27½ x 5.5 inches, fits any standard full-size crib and toddler bed. This crib mattress will be shipped compressed in a small, lightweight, easy to carry box.
  • 【Washable Cover 】Your baby's mess will be easy and convenient to clean with the unique washable, cover that is removable and has ultimate breathability.
  • 【CertiPUR-US certified】All Dourxi baby crib mattress are made with certified CertiPUR-US foam, to help create a healthier sleeping environment for your baby, and the firmness recommended for babies and toddlers.
  • 【10-Year Warranty】Dourxi procures the safest quality materials to build mattresses, which is absolutely free of phthalates, meets federal flammability standards and GreenGuard and CertiPUR certified.100% Guarantee Dourxi crib mattress backed by a 60-day refund and 10-year warranty. Any problems, please feel free contact us by Amazon messages.
Bestseller No. 6
Serta Perfect Start Supreme Fiber Core/Memory Foam Crib and Toddler Mattress | Waterproof | GREENGUARD Gold Certified | Trusted 35 Year Warranty | Made in The USA
  • Extra firm high density thermo-bonded polyester fiber core Light weight for easy changing
  • Ultimate Edge Design: Firmer edges for extra support and square corners help with snug fit inside crib Naturally blended woven cotton cover has waterproof backing
  • Cool Twist Gel Memory Foam: exclusive liquid gel-enhanced memory foam designed to increase airflow, which helps move heat away from Baby, also provides enhanced cushioning to help reduce the pressure points GREENGUARD Gold certified: recognizes products with low chemical emissions, contributing to healthier environments
  • CertiPUR-US certified: Certified foam products are made without PBDE fire retardants, lead, mercury, formaldehyde, prohibited phthalates and other potentially harmful materials Meets or exceeds flammability, lead, phthalate and CPSIA testing and does not contain toxic fire retardants
Bestseller No. 7
Dourxi 3-Layer 6 Inch Crib Mattress Dual-Sided | High Density Hard Foam for Infants, Cool Gel Memory Foam Side for Toddlers, with Removable Washable Protector
  • 【DUAL FIRMNESS FROM INFANCY TO TODDLERHOOD】Our Dourxi crib mattress contains 3 layers of foam, providing the right firmness for your baby at all stages. Designed with an inner open cell Foam Core for air flow, and features a temperature regulating to prevent overheating, eliminate sweaty backs and improve sleep quality. Cool gel memory foam on the toddler side provides your growing toddler that luxurious comfort and support they need.
  • 【SOFT WASHABLE COVER】Help your little one sleep easy with a flexible fabric performance cover that allows the mattress to support all touch points of their body. The removable cover makes cleaning this breathable mattress a breeze.
  • 【SAFE USE】- Certified to be free of lead by Laboratories and passes CFR 1633 flammability testing and CA65. All Dourxi baby crib mattress are made with certified CertiPUR-US foam, to help create a healthier sleeping environment for your baby, and the firmness recommended for babies and toddlers.
  • 【DIMENSIONS】27.5"W x 52"L x 6"H | Standard size Crib mattress designed for most standard American cribs and toddler beds. Please measure your Crib or bed before purchasing.
  • 【100 DAYS HASSLE-FREE TRIAL】- Dourxi stands behind the quality of this baby crib mattress and comes with 100 hassle-free night trial and 10-year limited warranty to get you assured. Feel free to contact us at any time and we will respond within 24 hours.
SaleBestseller No. 8
Sealy Baby Firm Rest Antibacterial Waterproof Standard Toddler & Baby Crib Mattress - 204 Premium Coils, Healthy Clean, 51.7” x 27.3"
  • 204 HIGH COIL COUNT -- Heat-tempered interwoven steel coil system provides superior firmness and posture support. All-around border rods keep the sides, corners and edges firm while anti-sag system distributes baby’s weight
  • HOSPITAL-GRADE ANTIBACTERIAL & WATERPROOF SURFACE – Laboratory tested Staph-Gard cover eliminates bacteria on baby’s mattress surface for a cleaner and healthier environment. 100% waterproof cover keeps leaks from causing odors, mold and mildew inside
  • PREMIUM FIRM UPGRADES -- Designed with steel edge support, an anti-sag weight distribution system and multiple layers of soft, supportive and comfortable cushioning on each side of the mattress
  • SAFETY & QUALITY TESTED -- Firmness, durability and crib fit tested, this entire crib mattress is GREENGUARD Gold certified for indoor air quality and tested for chemicals to help create a healthier sleeping environment for your baby
  • MADE IN THE USA -- Sealy Crib and Toddler Mattresses are designed, engineered and proudly made in the USA of U.S. and imported parts. Lifetime warranty on workmanship and materials
SaleBestseller No. 9
Safety 1st Heavenly Dreams White Crib & Toddler Bed Mattress for Baby & Toddler, Water Resistant, Lightweight, Hypoallergenic, Green Guard Gold Certified
  • NOTE: Item model# 5805096 is the same item as model# BM204. There was a change to the model number for manufacturer internal purposes. Actual item is same
  • Lightweight and durable. It is made with high density thermo-bonded fiber core that provides firm support and a 100% Vinyl outer cover that is water resistant and wipes clean.
  • Mattress dimensions: 52"L x 27.5"W x 5"H. Weight limit: 50 lb. For optimal use, rotate mattress every 2-3 months. 10-year limited warranty. Assembled in Canada.
  • This mattress has achieved GREENGUARD GOLD Certification. GREENGUARD Certified products are certified to GREENGUARD standards for low chemical emissions into indoor air during product usage.Free of phthalates and lead
  • Fits standard crib with internal measurements of 28⅝ in. X 53 in. ;5" thickness extra firm mattress
SaleBestseller No. 10
Sealy Baby Flex Cool 2-Stage Airy Dual Firmness Waterproof Standard Toddler & Baby Crib Mattress, 51.7”x 27.3"
  • 204 PREMIUM COILS -- High coil count orthopedic crib mattress with 204 durability-tested coils for premium firmness. Anti-sag steel vertical bars evenly distribute baby's weight to keep infants supported.
  • AIRY 2-STAGE DESIGN -- 2-sided dual firmness mattress offers a firmer infant side and a softer toddler side. A light layer flexes under baby's body weight and contours to baby's body for support.
  • WATERPROOF SURFACE & BINDING -- Soft cotton, PVC-free cover is breathable, while a waterproof barrier lining helps prevent liquids from seeping inside that can cause mold, mildew, and odor.
  • SAFETY & QUALITY TESTED -- This entire mattress is GREENGUARD Gold certified for indoor air quality and low chemical emissions to help create a healthier sleeping environment for your baby. Meets or exceeds all flammability, lead, phthalate and CPSIA testing. We do not add flame retardant chemicals.
  • MADE IN THE USA -- Sealy Crib and Toddler Mattresses are designed, engineered and proudly made in the USA of U.S. and imported parts. Lifetime warranty on workmanship and materials.

Compare The Top 10 soft crib mattress

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