18 oz SWIG® Stainless Steel Insulated Double-Walled Party Tumbler

Keeps drinks cold 9+ hours and hot 3+ hours Double-walled, vacuum-sealed, copper-plated insulation Stackable design ideal for parties and easy storage Includes X-Large EZ Slider Lid with larger opening and removable slider Durable 18/8 stainless steel; condensation-free and non-breakable Built-in silicone base prevents slips, drips, and scratches