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 grow2-IN-1 WATERPROOF REMOVABLE COVER: Multifunctional cover with a soft quilted cotton face and PVC-free waterproof backing to protect the mattress against accidents. The zipper closure and square corner design ensure a seamless sheet fitMINI-CRIB SIZE & LIGHTWEIGHT: Designed to fit mini cribs and is lightweight at only 4lbsFIRM FOR BABY: Firm and supportive for infantsHYPOALLERGENIC: Breath easy knowing this mattress is dust mite and allergen resistantSAFE FOR BABE: Passes all government flammability requirements and the 100% recyclable polyester core is free of chemical flame retardants, allergens, polyurethane, and soy foam, vinyl (PVC), PFC's, synthetic latex, and dyesWARRANTY: 10 year warranty for mattress, 1 year warranty for cover