Rest Mat SheetChildren will rest in comfort with our Rest Mat Sheet. They are designed to keep the rest mat surface clean and safe from germs. The Rest Mat Sheet is made of a cotton poly blend and features corner pockets to securely slip over the corners of a 1" or 2" rest mat. The deep pockets prevent the sheet from slipping and bunching. Our Rest Mat Sheet measures 48" x 24". It is machine washable and dryable for easy classroom cleaning.