Custom commemorative (color changing) mug

**Color-changing mug cup** No water is normal, it is black. Adding hot water will show the picture Make your cup more versatile and stunning Can print the desired picture or photo with commemorative value Words and dates on the right Gifts are available for personal use Let the recipients remember this anniversary forever You can also print your own mug at home. The exclusive cup will not take the wrong one again https://live.staticflickr.com/65535/49077696947_94330bbce5_c.jpg Base map layout optional public version 1~3 The picture on the left is customizable The text on the right is customizable Origin / manufacturing methods Taiwan [Customized Process Description]: https://live.staticflickr.com/65535/49076984493_af6be967ab_c.jpg Origin / manufacturing methods Taiwan