No Frost Cloth is specially treated to create an invisible, protective shield that helps prevent frost from forming on your windshield, allowing clear, safer vision. Use this frost cloth to wipe the inside of your auto's window. Easy-to-use, reusable cotton/flannel cloth is specially treated with long-lasting formula that works until it wears out. Simply fold and store for repeated use. 11 3/4" long x 10" wide.