Glows in the dark after collecting light energy. 
 
Our 20oz skinny tumblers are made of 304 stainless steel, durable and double-walled, not easy to break, and wont sweat. Dishwasher safe. Sublimation graphic. 
 
Made on-demand, may take up to 2 weeks to ship. 
Contains:
1 - tumbler
1 - lid
1 - plastic straw