Drink on the go with this versatile Wine Tumbler.  With a double-wall vacuum seal that keeps your beverage at the perfect temperature for almost 5 hours, enjoy a tasty glass of wine anywhere you want (or throw in whatever liquid you fancy).  Grab one for yourself or start selling!. 12 oz (355 ml). Tumbler size with cup: 4. 7″ × 3. 5″ (12 cm × 9 cm). High grade stainless steel . Double-wall vacuum seal. Curved, unique shape. Blank product sourced from China. Disclaimers: . Not dishwasher or microwave safe.  Hand-wash only. The Wine Tumbler lid is designed to minimize spills but is not fully leak-proof.  Some liquid may escape through the sip opening or edges if tipped. This product is made on demand.  No minimums.