[Reliable Material] The sublimation heat shrinkable packaging film is made of high-quality materials, odorless and safe to use, and effectively wraps cups, glasses, and other items. [Quantity and Size] This package includes 30 pieces of heat shrinkable packaging film in 3 different sizes: 10 pieces of each size. The dimensions are 5 x 10 inches (12.7 x 25.7 cm), 5.9 x 11.4 inches (15 x 29 cm), and 7 x 11.4 inches (18 x 29 cm). The variety of sizes accommodates different crafting needs. [Easy to Use] Simply wrap the cup or sublimation blank with the shrink wrap sleeve, apply heat using a hot air blower, then place in an oven. Set the oven to 300F (150C) for approximately 5 minutes. The process is simple, efficient, and cost-effective. [Good Performance] This sublimation shrink film is suitable for sublimation printing, delivering high-quality transfer results. It provides consistent coverage that conforms to the size and shape of the substrate. Place the substrate in the film and heat in the oven to achieve the desired printed pattern. [Multifunctional] Ideal for both flat and curved surfaces, these shrink wrap films work well on items such as tumblers, kettles, keychains, earrings, coasters, phone cases, license plates, puzzles, mouse pads, photo frames, and other craft projects. Material: PET Color: White Package Contents: 30 x Heat shrinkable packaging film Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.