Nice idea and concept but……
Cup takes too long with extremely hot water to make the change. Then when you touch it after it changes, a dark black spot appears which seems “dirty”..
Cup User
United States
1★ Reviews
1👁 Reads
0👍 Useful
United States
Cup takes too long with extremely hot water to make the change. Then when you touch it after it changes, a dark black spot appears which seems “dirty”..