The Heat Change Sublimation Mug is crafted from Grade A Ceramic, available in black, and measures 8(w) x 9.5(h) cm with a 330ml capacity. It features unique branding options including sublimation and Pspec branding for logos and names. The mug's colour vanishes when exposed to boiling water, revealing the logo on the white surface underneath. Note: This mug is not dishwasher safe and comes packaged in a gift box.