The DaVinci Complete Slumber Waterproof Crib & Toddler Mattress is designed with layers of high-density fiber for a firm sleeping surface that is GREENGUARD Gold certified and 100% non-toxic. This mattress features a waterproof, tear-resistant cover that will stay new through years of use. Features & details GREENGUARD GOLD CERTIFIED: This product has undergone rigorous scientific testing for over 10,000 chemical emissions and VOCs. It contributes to cleaner indoor air, creating a healthier environment for your baby. Proudly made in the USA DURABILITY: Our waterproof mattress cover is easy to clean and tear-resistant LIGHTWEIGHT: Firm comfort while weighing only 8 lbs, allowing parents to easily change crib sheets SAFETY: Free of polyurethane foam, vinyl and chemical flame retardants. Meets CA 1633 Flammability requirements SNUG FIT: Fits snugly in all standard size cribs and toddler beds Brand new sealed in package!