Sealy Baby Firm Rest Toddler and Baby Crib Mattress provides superior firmness for your baby with a 204 innerspring coil system and additional full perimeter border wire and anti-sag weight distribution bars. Sealy proudly supports infants and toddlers with industry-leading crib mattresses known for safety, quality, comfort and premium support. Sealy is the leader in sleep technology and the best-selling crib mattress brand in North America. Passes all the latest ASTM tests for proper crib fit sizing, lock-stitched binding for safety and help educate caregivers about safe sleep and SIDS. Meets the Children’s Safe Products Act and Chemicals of High Concern to Children regulations as introduced by states like Washington and Vermont, among others. Pass CPSIA testing for lead and phthalates and each component is air quality tested for a healthier indoor environment. This mattress is GREENGUARD Gold Certified, tested for harmful chemical emissions at an independent laboratory. Tested for a snug fit inside standard cribs and toddler beds for years of use. Measures 51.63 x 27.25 x 5.5 inches and fits both USA standard size cribs and toddler beds. Help keep your babys mattress and bedding fresh and clean with the Sealy Stain Protection Crib Mattress Pad, featuring repel and release stain fighting technology. This exclusive easy-clean technology allows stains, odors and germs to easily wash away, while a 100% waterproof barrier and quilted filling add extra protection and comfort for baby. SecureStay full fitted stretch skirt helps prevent sliding and shifting for extra security. We recommend that new parents purchase 2-4 crib mattress pads, so you always have a fresh, dry pad on-hand while the others are in the wash.