Premium quality double wall vacuum insulated 20 oz travel tumbler (we call it the all day tumbler) uses high tech insulation methods to prevent heat transfer to the outer walls of the tumbler, keeping your cold drinks ice-cold for up to 24 hours and your hot drinks hot for up to 6 hours. Complete with a sweat free design and a clear lid. Hand wash only and easy to clean! You pick from 12 designs, 8 colors and custom text or monogram. Oh, and you can pick a sliding lid too!