Foster healthy sleep for your babe with Pure Core Crib Mattress with SMART water repellent cover. The soft and breathable water repellent cover causes liquid to bead on the surface without immediate absorption to keep moisture out and the mattress dry. For your peace of mind and babe’s safety, all Babyletto mattresses are GREENGUARD Gold Certified, hypoallergenic, and free from chemical flame retardants. Features GREENGUARD GOLD CERTIFIED: This mattress has been tested for over 10,000 chemical emissions and VOCs, undergoing rigorous scientific testing to meet some of the world’s most stringent chemical emissions requirements. It contributes to cleaner indoor air, creating a healthier environment for your baby to sleep, play, and grow WATER REPELLENT REMOVABLE COVER: The soft and breathable water repellent cover wicks moisture on the surface without immediate absorption and helps keep moisture out. The elasticated seam makes it easy to remove for washing 2-STAGE & LIGHTWEIGHT: This is a 2-stage dual-sided mattress with a firm supportive side for infants and can be flipped to a softer side for toddlers STANDARD CRIB SIZE: Designed to fit a standard crib HYPOALLERGENIC: Breath easy knowing this mattress is free from harmful chemicals, dust mite and allergen resistant SAFE FOR BABE: We go the extra step to ensure your babe’s safety. Our Pure Core mattresses meet all CA TB117-2013 flammability requirements and the 100% recyclable polyester core is free of chemical flame retardants, polyurethane, and soy foam, vinyl (PVC), PFC’s, synthetic latex, and dyes WARRANTY: 10 year warranty for mattress, 1 year warranty for cover Specifications Dimensions: 53L x 30W x 6H / Box Weight 17.1 lbs ; now comes in 1 box Mattress: Outer layer: Cotton/Polyester; Batting: 80% Modacrylic Batting, 20% Polyester Fiber; Inner: Polyester (PET) Cover: Face: 55% Polyester, 45% Cotton; Back: 50% Cotton, 50% Polyester; Band: Elastic Care Mattress: Do not bend mattress or place into the washer or dryer Cover: Remove and machine wash, hang dry, do not iron Warranty: 10-year warranty for Pure Core Mattress, 1-year warranty for Smart Cover.