Ever Eco Insulated Tumbler Brushed Stainless Steel 592ml is a sustainable and stylish take-everywhere cup for smoothies, iced tea, coffee, juice or water. It keeps beverages cold for 8 hours, and hot for 4 hours and has a 592ml capacity with lid off and 550ml capacity with lid on. It features a sliding lid for easy sipping, is double walled and vacuum insulated, is compatible with Ever Eco drinking straws and fits most cup holders. You can BYO this tumbler to cafes or juice bars to refuse single-use plastic cups or make your own smoothie at home to sip on the way to work.