Sublimation Tumblers Wrap is available in 3 thicknesses for sublimating different sizes of tight tumblers, sippy cups, water bottles, can coolers, coffee mugs, car mugs and more. The silicone wraps is easy to use. Wrap a blank tumbler or mug with a piece or two of silicone of the appropriate thickness and Insert it into the mug press heat plate. Heat press sublimation machines are available in the dimensions required to a high for each mug in a press sublimation application. silicone sublimation wrap is specially designed for mug sublimation machine. Made of high quality silicone. Abrasion resistant, , non-toxic, high temperature resistant up to 392F (200C). color:Blue Material:Silica gel size:25 x 12cm Package Contents: 4 x Silicone Cup Sleeves(thicknesses: 1.5mm 1.5mm 3mm 4mm) Only the above package content, other products are not included. Note: Light reflection 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.