Stay hydrated and trendy year-round with our 40 oz. stainless steel Denali Tumbler! Sure to be your new go-to drinkware piece, this double wall tumbler fits in most car cup holders, features a dual-purpose push-on clear lid, matching sliding closure, a flexible wide silicone straw, a handle for easy carrying, and copper vacuum insulation to keep your drinks Hot for 8 hours or Cold for 24 hours!