Newcomdigi Heat Transfer Vinyl Sheets Heat Transfer Vinyl 16pcs for T Shirts, Hats, Clothing for Heat Press Machine COLD PEEL, let it cool down about 5 minutes and then peel it. Multiple colors: 16pcs in at least 10 colors. A4 SIZE: 8.6" x 11" sheet, 1Pc thickness: 0.8mm. HEALTHY MATERIAL: safe and nontoxic, do no harm to your body. Thicker and harder than normal cloth, do not loose thread. Perfect for hand-sewn products. HOW TO IDENTIFY adhesive side and PET side: cut the adhesive side____darker and less smooth, PET side up forward when heat press _____brighter and smoother. MAKE SURE PRESSURE: 30-40pounds.Operating Temperature: 150-160 degrees/302-320(use the Steam level-the highest if you use iron); Time: 10-15s/time; Attention: better NOT for use with iron as the stress is not enough.