Keep your ice tea nice and chilly while cleaning up the streets of Gotham City with this officially licensed DC Comics Batman Engraved Onyx Tervis 20oz Stainless Steel Tumbler. This Batman Engraved Onyx Tervis Tumbler is made from stainless steel and features an engraved Batman logo with a BPA-free leak-resistant, easy-to-clean, and easy-close hammer lid. Triple insulation reduces condensation and keeps your drink hot for up to 8 hours or cold for up to 24 hours use caution with hot liquids. Copper-lined 18-8 stainless steel construction is durable, and the material wont retain tastes or odors.