Vacuum insulation provides optimum heat retention at least 9X longer
Deep draw liner for a more permanent vacuum insulation
Lead-free vacuum seal
Includes a leak proof screw on lid with a visual open/close push button locking closure
Features lip and finger grooves that allow you to position the drinking spout without even looking
Lid can come apart for easy cleaning
Features a black silicone band and high spout for drinking
Patented