iSmart Sublimation OveniSmart Sublimation Oven delivers consistent baking results. Its compact size with a large cavity inside allows enough room to print up to 6 11oz mugs at once. Includes two metal trays to insert the objects in the oven. Why choose iSmart Sublimation Oven? 1. Six heating tubes distributes heat evenly, ensuring a better printing quality. 2. Four sides enamel cavity Results in even temperature. 3. Digital temperature control system with smart sensor