ICE COLD REFRESHMENT: Thanks to the double-wall insulation, insulated pint glass keeps drinks cold for up to 4 hours and iced up to 17 hours while keeping the exterior sweat-free. It also retains heat for 1 hour for coffee on the go. GOOD QUALITY: With the heavy-duty construction, this tumbler will never rust or break. You’ll also love that the lid that contains a built-in bottle opener to crack open pints with ease and the wide mouth opening for easy sipping. BPA FREE: Whether you pour your favorite beer, soda or iced coffee into this insulated stainless-steel tumbler you can feel rest assured drinking from it knowing that it is made with BPA-free materials. DISHWASHER SAFE: Cleaning your cup couldn’t be easier: just pop it into the dishwasher. Unlike other pint tumbler cups that retain smells and tests, the high-quality stainless steel in ours keeps your pint glass odor-free after every clean.