Pittsburgh patch Iron on Logo Vest Jacket cap Hoodie Backpack Patch Iron On/sew on patch Size: 3X3 Inches Decorate clothing shoes and other items, and even can be double-sided adhesive to the wall furniture, play your creativity. Best for your Jacket, Vest, Suit, Baseball cap,Backpack and etc. Heat seal to polyester/cotton fabrics. Do not apply to rainwear (waterproof), highly elastic, rayon, nylon or tri-acetate fabrics. Once applied, applique is permanently attached to garment and is washable, dryable and dry cleanable. For machine washing, turn garment inside-out before washing and drying. Appliques can even be added to paper using glue, or sewn onto certain materials, so this decorating concept is not limited to the iron-on technique.