Baby Rest Perfect Match I Crib Mattress is a 5'' thick, extra feather-weight crib mattress featuring harmless, performance-verified plus CertiPUR-US licensed foam. It has a dual-layer with strengthened, tear-resistant, impermeable white cover that is simple to clean and is stable as endorsed for babies by numerous health professionals. This mattress is GREENGUARD certified, therefore has no dangerous discharges and passes the strict Children & Schools child items well-being standard and is also Consumer Product Safety Improvement Act (CPSIA) compliant. It has a chemically-safe rayon material with a burn-ability barrier. It measures 51.8'' x 27.5'' x 5,'' and it is simple to change bedding plus it fits effortlessly in all typical size American child cribs or beds.