Iron Print Sheet Heat Transfer Rubber Sheet No Gloss Matte No Gloss A4 Cotton Cloth Polyester T-Shirt Washable Compatible with Cutting Machine Iron Print Sheets Set of 6 Size is slightly larger than A4 Size 25cm x 30.5cm (Compatible Materials) Cotton Polyester Cotton Polyester Blend Nylon [How to Use] 1. Cut to any shape you like and crimp at 170°C for about 20 seconds. 2. Allow to completely cool and peel off the transparent film 3. Finally, apply a silicone sheet or press with a protective cloth and crimp at 170 degrees Celsius for about 10 seconds.