Introducing Swig! We love these new tumblers and all the great colors they come in!! These vacuum insulated 50 oz tumblers will keep your drinks cold for up to 24 hours and hot for up to 12 hours! All drink ware is BPA free, FDA approved, highly resistant to rust and to absorbing odor, taste or bacteria. Dishwasher safe and shatter resistant! Also sweat free! Add a vinyl for a personal touch!