Heat seal appliques are easy to place on a garment, tote bag, place mats, sheets, etc. APPLICATION INSTRUCTIONS; (1) Preheat iron to “cotton” setting. DO NOT USE STEAM DURING APPLICATION. (2) Position design and cover with thin pressing cloth. (3) Press straight down with constant pressure for 25 seconds. DO NOT IRON BACK AND FORTH. (4) Allow to cool thoroughly before using. Heat seal to cotton and cotton polyester fabrics. DO NOT APPLY TO RAYON, NYLON OR TRI ACETATE FABRICS. These designs are machine washable and dry cleanable. Manufacturer recommends delicate cycle of washing machine and line dry.