The High Seas Fresh Air 1 piece crib liner is made to fit most full sized cribs. The see-through single layer mesh improves air flow and provides better visibility for peace of mind. Its full panel coverage protects baby from entrapment injuries, and bounces back to prevent climbing and injuries. The Fresh Air crib liner securely stays in place, even during sheet changes. The shell and platform are made of 100% cotton; the mesh 100% polyester. Filling is 100% polyester. Care instructions: close all fasteners before washing, machine wash cold in gentle cycle, use only NON-chlorine bleach when needed, tumble dry low. Do NOT wash with delicate fabrics and do NOT iron.