The practical answer to classroom storage! It provides handy individual storage space with less time wasted gathering and putting away supplies. Fits most classroom chairs in grades 3-5. A damp cloth easily wipes up the sturdy laminated flame-retardant fabric. (Machine wash warm on gentle cycle--lay flat to dry or tumble dry low.) Standard size fits up to a 14" wide chair. Large sizefits up to a 17" wide chair. Made of sturdy, easy to clear, poly/cotton, vinyl backed, flame-retardant fabric.