40 oz 2 Pack Stainless Steel Tumbler with Handle and Straws M52039

The exterior of the vacuum sealed area is dipped in copper for more insulation therefore the outer wall will not get any condensation or sweat touch. It will always stay cool to touch and comfortable to handle. BPA-Free tumbler is safe to use and healthier than any plastic material. This tumbler is made of high quality 304 18/8 food-grade stainless steel, Lightweight but strong and indestructible making this tumbler unbreakable for lifetime use. A wise investment for your kitchen. The stainless-steel tumbler is rust-resistant and does not impart an unpleasant scent and flavor. The wide mouth is designed for the liquid to easily fill in and easy to clean by hand.