Most mug heat press sublimation machines cannot be adjusted the diameter during the heat sublimation process. For the smaller sublimation blanks mugs, you can choose our sublimation silicone wrap set, which is specially designed for different sizes of tumblers and mugs.This sublimation silicone wrap L 11 x W 4.7 inches , the thickness are 0.06 inch, 0.13 inch, 0.17 inch, which suitable for 12-20 oz sublimation mug/tumbler/bottle.The silicone mug tumbler wrap is made of premium silicone, which is wear resistance,high-quality, non-toxic and heat-resistant up to 392(200). What's more, it's is flexible, efficient thermal conductivity and soft enough to makes the color of the cups more even.Our sublimation tumblers wrap not only compatible with heat press but also suitable with other of heat transfer machines.Material: Silica gelcolour: bluePackage Contents:3 x Silicone Packaging of Different Thickness1 roll x heat resistant tapeOnly the above package content, other products are not included.Note: Light 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.