20oz straight sublimation snack tumbler with lids & straws stainless steel insulated travel coffee mug multifunctional water bottles double

dye sublimation means a technique in which the primary color cmy (blue, red, and yellow) pigments are sublimated into the gas phase with a semiconductor element heating device and printed on special pictures paper. since each semiconductor heating element can adjust 256 kinds of temperature, it can adjust the color ratio and intensity. makes the printed image as exquisite and smooth as a spray, which is especially suitable for portraits and other delicate skin texture requirements. the clarity of the images printed by dye sublimation technology cannot be replaced by laser and inkjet printers.18