3D Puff effect - Our 3D Puff heat transfer vinyl expands and produces a foam effect when pressed and heated, resulting in a unique "Puff" finish, which adds size and personality to any HTV Craft project. Extremely sticky and washable - our puff HTV vinyl bundles seamlessly adhere to the fabric and maintain good results in the washing solution without fading, peeling, and cracking. It has undergone up to 50 washes, 30 minutes/time, and 40 testing, and even after repeated washing cycles, these still retain their color. We suggest for 24 hours before the first cleaning, flipping the shirt or hoodie over before washing, and then using mild detergent and cold water. 3D Puff vinyl heat transfer is an environmentally friendly material made of 100% environmentally friendly material - suitable for decorating family and making children's clothing and accessories.our Puff HTV Iron on vinyl is the Perfect choice for creators who love DIY handicrafts while prioritizing green materials. Transfer Instructions - Before heating, it is a normal HTV vinyl and will blow up after heating. In order to obtain the best foam effect, please use hot pressing better. Setting instructions: The temperature is between 300-315 , and the medium/high pressure is pressed for 15 seconds. Preheat the material for 3 seconds. Warm fruit peel. Widely used - HTV Puff vinyl heat transfer is great on fabrics, such as polyester, cotton, polymer/cotton blends, modern cotton, , , , tarps, and even sports mesh! Using Puff HTV vinyl for , you can customize patterns on T-shirts, dresses, bags, pillows, socks, , hats, and more. Start your design project now! size: 30 x 25cm Material: Pu colour: As Shown Package Contents: 4 x light-changing blue lettering films 3 x optically variable powder engraving films 3 x light-nging purple lettering films Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.