-Willow mattress from a natural coconut palm fiber. -Latex-free foam to create a completely organic inner foundation that supports your baby`s sleep. -100% soft cotton fabric. -Carefully engineered and balanced so it can be used on BOTH sides. -Easil y fits into your crib. -Meets Federal Flammability Standard CFR-1632. -10 year limited warranty. ***Please note that these products cannot be shipped to Alaska, Hawaii, or Puerto Rico. We apologize for the inconvenience - feel free to call us regard ing alternatives