Description 40 oz RTIC® Stainless Steel Vacuum Insulated Keeps drinks cold longer; suitable for hot beverages too. Leak-proof cap with three-finger grip for mess-free transport. Extra-wide opening for easy filling, drinking, and cleaning. No-sweat exterior keeps the outside dry; dishwasher safe. Strong 18/8 stainless steel construction with maximum temperature retention and 24-hour ice retention.