Made with exclusive quality and safety tested tempur material. Two-stage infant and toddler firmness and fits cribs, toddler beds and day beds for children ages 0-6 s old. Made with exclusive tempur-response memory foam that safely delivers personalized support and comfort for your growing child Exclusive cozy fresh breathable fabric cover is gentle on babies. The 360 Degree zip-off design allows for convenient washing for a healthier surface. Extra allergy barrier encasement keeps both baby and the mattress protected while the zip cover is in the wash.