The Polar Camel 20 oz. Ringneck Tumbler with Slider Lid is a double-wall vacuum insulated tumbler made of 18/8 gauge stainless steel. It features a matte finish and a narrower bottom for easier cup holder compatibility. The tumbler comes with a clear slider lid. It’s designed to be 2x more heat and cold resistant than other tumblers. The slider lid helps keep drinks at the desired temperature for longer and reduces spills. 
Key Specifications:
Capacity: 20 oz
Material: 18/8 gauge stainless steel (Type 304 Food Grade)
Insulation: Double-wall vacuum insulation
Lid: Clear slider lid included
Finish: Matte finish
Bottom: Narrower bottom for easier cup holder fit
Temperature Retention: 2x heat and cold resistant compared to other tumblers
Dishwasher: Dishwasher safe.