A sublimation glass mug is a type of mug that is designed for the sublimation printing process. Sublimation printing is a technique that uses heat and pressure to transfer dye onto a material, such as ceramics, glass, or fabric, resulting in high-quality, full-color images. In the case of a sublimation glass mug, a special coating on the glass surface allows the dye to bond permanently with the mug when heat is applied
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