Foundations Infapure 4-inch Foam Compact Crib Mattress offers a dense foam that provides the ultimate in support and comfort. The Infapure mattress also features a nylon reinforced, ultra-durable vinyl cover that is water resistant and easy to clean. Color: White Hypoallergenic and phthalate free Meets or exceeds all federal flammability standards without the use of harmful chemicals This is a COMPACT Mattress that fits Compact cribs. This mattress will NOT fit a full size crib. Materials: Foam/ vinyl Dimensions: 4 inches high x 24 inches wide x 38 inches long