Built 17oz Perfect Seal Vacuum Insulated Bottle

Made of double-wall 304 Stainless Steel featuring vacuum-sealed construction; Vacuum bottle featuring BUILT?'s exclusive "Perfect seal" technology; 17 oz (502 mL) 18/8 double-wall stainless vacuum tumbler maintains the optimal temperature of beverages; Patented Tritan™ plastic and Silicone lid twists to the left to unlock and open; To close push down and twist to right to lock; Keeps your drinks cold or warm longer than a traditional tumbler; Hand wash only Do not place in freezer; BPA-free;