ZULUs Ace vacuum insulated stainless steel water bottle is the easy-to-clean stainless bottle. Its removable base makes it easier than ever to clean the nooks and crannies of your bottle. Simply thread to remove the base for easy cleaning and adding ice. Aces food-grade silicone spout with Guardian Technology keeps the drinks surface clean. Vacuum insulation keeps drinks cold up to 24 hours， and a durable powder coat finish will withstand the demanding conditions of an active lifestyle. Aces leak-proof locking lid flips open with the simple press of a button， making it the ideal hydration companion for on-the-go. All parts are certified BPA free. Hand wash bottle recommended， lid is dishwasher safe. Do not microwave or freeze. Intended for use with cold beverages only. Patents pending.