Product Details Product Details Holds 20oz of liquidDouble wall 18/8 stainless steelCopper lined for maximum temperature efficiencyFood grade – no metallic tasteVacuum insulatedSweat proofBPA FreeImport, Domestic Officially Licensed Show your team pride and keep your drink chilled with this Central Michigan Chippewas Stainless Steel Tumbler. It features a team logo on team color background.