Features: brand new and high quality Quality Upgrade: Our sublimation shrink wrap with opening to surround blanks, odorless, thicker, heavier, for stronger and not easy to melt. Self-taught: Prepare all material required for sublimation. Put Transfer Images on and slip the Shrink Wrap onto Tumbler blanks, use the Heat Gun to shrink, put into oven 300-350F, for time 3-5 minutes, the temperature and setting for time varies with a different oven. Don'for t heat to long with heat Gun and let cool before unwrapping. Sublimation Perfectly: These shrink wrap sleeve compact the sublimation blank to the maximum, delivering vibrant, full-color sublimation transfers on your items. Universal Multifunction: Sublimation sleeves for tumblers is perfect for flat items and odd shaped items, such as 20oz skinny tumbler, sublimation blanks mugs, ceramic mugs, cups and water bottle. What We Offer: 100 pcs 5x10" sublimation tumbler shrink wrap sleeves. Full wrap the project, which changed the paradigm of sublimation transfer printing and make it more convenient and quick. Specifications: Material:PET Color:White Thickness: 2mm Size: Approx. 12.7x25.7 for cm/5x10.1 inches Note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding. Package includes: 100 x Heat Transfer Shrink Wraps