INNOVATIVE 3D PUFF EFFECT- Puff heat transfer vinyl is normal HTV before heating, it expands and creates a matte fuzzy foaming effect under heat pressing, adding depth and dimension to your designs. Our puff HTV is available in a variety of colors with surprising puff effect, it can satisfy various DIY to add unique and stylish effect to your design. EASY TO CUT & WEED & TRANSFER, WASHABLE- Puff iron-on vinyl is of moderate thickness with excellent cutting application. Easy to weed and heat transfer by premium temperature and pressure. Superior and sticky hot melt glue which guarantees 25 times or more washing tests. Puff HTV can still maintain excellent puff effect after drying. Designs created with MerryMade's HTV won't fade, crack or peel off and the color remains vibrant after repeated washes! HOW TO USE- For best puff effect, We recommend better using the heat press machine. Press the transfer film at 293℉~302°F for 10 seconds, then the puff effect will follow, remove the tack transfer film while hot. We recommend waiting 24 hours before your first wash. Flip the shirt inside out and wash in cold water. Manageable size suitable for use on most basic fabrics, including polyester, cotton, and cotton blend fabrics."