The Bi-Comfer Pack n Play Memory Foam Mattress Pad offers a soft and comfortable replacement for the hard mattress pad typically included with travel cribs and playpens. Made from ultra-soft memory foam with 2 sides for different comfort levels and ages. The convenient tri-fold design allows you to easily store this memory foam mattress while you're traveling of for storage. The firm side offers excellent support for newborns and infants aged 0 to 9 months, while the soft side works great for toddlers older than 9 months. Measuring 38 inches by 26 inches, the pad fits most travel cribs and playpens. Cushioned foam padding helps your children sleep better at night. Includes a removable and machine washable ultra-soft, waterproof mattress cover. After unpacking, allow the foam 24 to 48 hours to expand to its proper size. Super-soft and featuring 2 sides for your infant or toddler, the Pack n Play Memory Foam Mattress Pad ensures your kids will sleep well and enjoy amazing comfort in their crib or playpen.