The tumbler mug heat press is with a 10.6in(27cm) length detachable heating attachment, and the diameter range is 2.65-3.4 inches. The tumbler mug press is widely suitable for 12-30oz straight skinny sublimation tumblers, 16-30oz glasses, 11-16oz can coolers, mugs, and many other straight water bottles. You can adjust the pressure and diameter by twisting the pressure knob. Besides, there is a fuse built in to make sure a safe operation and longer using life, very friendly to both beginners and professionals. The tumbler heat press machine covers a 6-months warranty.