Black Polar Camel 15 oz. vacuum insulated mug with slider lid. This quality brand mug is made of stainless steel with double-wall vacuum insulation for superior 2x heat and cold retention compared to other tumblers. The slide lid hole accommodates a straw. Powder-coated finish for rugged durability. Offered in 16 color options. Gift personalization not included. Not recommended for dishwashers. Hand wash only. Not microwave safe.