The Da Vinci Twilight Crib Mattress - 6" will keep your baby cozy all night long. It was made with your baby's comfort in mind. This mattress comes with a high density single piece composition, reinforced triple laminate cover, and its non-allergenic construction will keep your baby safe from unwanted irritants. It's also lightweight so it's easy to handle. This crib meets the Federal Flammability Standard CFR-1632. Made in USA. It comes with a10 year limited warranty. Dimensions: 27.5 (L) x 52 (W) x 6 (H)