Easy to Use - Glue the seam, top and bottom with the complimentary heat tape, then turn the silicone cover over and roll it up from the bottom of the cup. The silicone cover can be tightly wrapped and produce appropriate pressure to avoid the problem of color or image fading and blurring at the bottom and top of the cup. Advantages - Reusable and Safe. It can be safely used directly in the oven. Therefore, you can adjust the appropriate temperature and time for your sublimation project. It can be applied and removed quickly and easily without shrink wrap and heat . Heat- Sleeve - Our silicone sleeve is made of high-quality heat- silicone. The maximum temperature resistance is 482℉/250℃, which makes the sublimation printing of the whole package easier, so you never have to worry that it melt or stick to your tumbler and ruin your project.If you are beginner, tumblers designer pursues perfect effect, this set is . Seamless Design - 20oz seamless silicone sleeve has no seam line, providing for your sublimation tumblers, so that you can install the image perfectly without wrapping the tumbler with silicone bands. Include - 3 pieces of 20 oz silicone sublimation wrap(Green), 3 pcs 30M heat tape for sublimation. (Tumbler Not Included), Weight: 0.74736706818 pounds, Manufacturer: Tuesoa