20oz glass tumbler with silicone protective sleeve and bamboo lid/straw. Each tumbler (w/sleeve, lid + straw) comes individually wrapped in a white box. ENGRAVING NOT INCLUDED! Protective silicone sleeves make the glass perfect for outdoor use. Glass tumbler is compatible with many types of liquid such as cold/hot water, milk and other popular beverages. Features: - 100% Borosilicate Glass (odor-free, stain-free + clean tasting) - Real friction-fit bamboo lid (not leak-proof when tumbler is tipped) - All parts are BPA/BPS Free - Glass tumbler is top-rack dishwasher safe (bamboo lid/straw and silicone sleeve are NOT dishwasher safe). Do not microwave, do not freeze.