- 18-8 Stainless Steel dual wall, Copper lined vacuum insulation
- Deep draw liner for a more permanent vacuum insulation.
- Vacuum insulation provides optimum heat retention at least 9X longer.
- Patented
- Features lip and finger grooves that allow you to position the drinking spout without even looking.
- Includes a leak proof screw-on lid with a visual open/close push button locking closure.
- Lid can come apart for easy cleaning.