Sufficient Quantity for Multiple Use-The package comes with 20 pieces of silicone bands for sublimation tumbler, designed in black, measuring approx. 0.08 inches in thickness and 0.94 inches in width, with a circumference of approx. 7.8 inches, Also includes 1Pcs 0.39 inch x 108ft Heat Transfer Tape,Does not contain tumbler. enough to satisfy your daily demands, allowing you to do sublimation work smoothlyPerfectly Fixed-The silicone bands for sublimation are designed to fit most tumblers and bottles, Especially suitable for sublimation tumblers 20oz, It can hold the sublimation paper tightly. It makes you add that extra pressure to the top and bottom edges of your tumbler during sublimation and prevent ghosting.Moreover, the silicone bands can also wrap storage bags, seal notebooks, bundle pens, tools and so on, serving as Perfect partners in your daily lifeHeat Tape,Heat-resistant Band-The sublimation band is made of heat-resistant silicone, The maximum heat resistance is 482F/ 250C. You can put it in oven and don't worry about it melting or sticking to the cup and ruining your project. Heat resistant tape is a polyester film tape with a high temperature resistant adhesive. Maximum heat resistance: 482 (250),comes off clean,easy peal and no residue. It's really indispensable when sublimation.Simple Operation-it's easy for you to use the thick rubber bands, no tools required, since you just need to wrap the tumbler with sublimation paper, then wind the tumbler with a rubber band, which can cling to the paper tightly, improving your sublimation effectsMultiple Uses-You can make your own unique skin glass,with these silicone rubber bands, you can explore the fun of DIY your own tumblers, which can not only bring you distinctive tumblers, but also exercise your crafting abilities,perfect for holding hot coffee mug and tea cup, bottles.Material:Silica gelcolour:blackPackage Contents:20 * silicone bands1 * tapeOnly the above package content, other products are not included.Note: Light shooting 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.