This is a 20 Oz. narrow-mouth vacuum-insulated bottle. Keeps contents cold for 24 hours or hot for 12 hours. It has a powder coated finish with copper lining, double wall 18/8 stainless steel, and a proprietary insulated lid. This item is not microwave safe. Additional imprint methods are screen print jumbo, chisel it jumbo, and chisel it 360. We are proud to partner with Wounded Warrior Project® and will be donating 1% of the Basecamp® sales to support their mission. 10 3/4" H x 2 7/8" Diameter
