VEVOR Auto Tumbler Heat Press Machine 325-887 ml Sublimation Mug Heat Press BlueProduct Features Automatic Pressure Adjustment No need to manually adjust the pressure. Once you set the time and temperature, our auto tumbler heat press automatically adjusts to the optimal pressure. This easy operation ensures the clarity and consistency of your designs. Supports Various Cup Sizes From 11oz to 30oz, the auto mug heat press meets your different size needs. Whether it's a daily drinking cup or a large custom mug, it has you covered.