OFF-ON temperature gradient cup / mug / cup / creative ceramic cupswitch discoloration Cup sent her

Unexpectedly， an ordinary cup have so great magic， will change? Do not believe you try! When the hot water to the cup， the cup wall will gradually change from black to white， hidden ON it will show up in front of you. Butwhen the cup is slowly cooling， and will gradually change back to black，ON also disappeared again. To receive such a wonderful gift， TA wouldblossom happily， let the color and surprises life at any time with around...... At any time

Suitable for leisure， office， home， more suitable as gifts to friends， will certainly be an unexpected surprise effect.

Product material: Ceramic

Product size: about 13x9.5 cm (1KG 3)