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 won't retain tastes or odors.