The ZULU Swift 40 Fluid Ounce water bottle is engineered for athletes. Its FDA food-grade silicone spout keeps drinking surface clean and odor free. Stainless steel is odor-resistant and shatter-proof. Swift's one touch locking flip lid is designed for rapid intake. A convenient carry handle makes it easy to transport to the gym or clip it to your gear. All parts are BPA free and dishwasher safe. Do not microwave or freeze.