These are triple layer insulation stainless steel 40 Oz tumblers. Made with the finest of materials, absolutely leak proof once lid is tightly closed, dishwasher friendly, silicone bottom and Tritan material 2-in-1 lid. This Tumblers promises an absolute peace of mind, with an array of colors to choose from.
The Tumblers come with spare see through straws, a straw cleaning brush, silicone straw stopper and a straw pouch. This is absolutely the newest 40 Oz tumbler experience you need.
