Keep your drink cold or hot for hours!

20 oz. vacuum-insulated, stainless steel tumbler
**Hand-wash ONLY**

Made of durable, kitchen-grade 18/8 stainless steel
Three different types of insulation: double wall construction to minimize heat conduction, vacuum in the space between the walls to minimize convective heat transfer, and a reflective interior later to minimize heat radiation. Keeps your drink hot or cold until the last sip.