... :300~350 ml3. Material: 1)mug body:PS2)Lid: PP3)Plug: Silica gel 4. Color of the mug is changeable when hot water ... shape, color, size, material of such coffee mug, sublimation mug, coated mug, photo mug, gift mug, promotional mug, color changing mug, heat sensitive color changing mug, magic mug for your choice. We can also ...