The Swig® 18 Oz. Matte Mug lets you enjoy more of your favorite beverage. Each Signature Swig Life™ Mug will keep drinks cold up to 9 hours and hot up to 3 with its double wall, copper-coated insulation. Powder coated with a silver rim, and a non-slip silicone base to keep your cups from tipping or making too much noise when you set them down. The clear SEAL-TITE Tritan™ lid is BPA free, spill resistant, and shatterproof. All colors feature a silver rim.