Features: Lightweight feeling: The handle and snap lid for easy portability and can be fastened to backpacks and cars to reduce stress of the aluminum sports water bottle during walking, and you will not feel pain in the fingers. Attractive and practical: The powder coating keeps the cup bright and will not fade or fall off, vacuum technology makes the cup no sweat, even if the cup is filled with hot water, it will not feel hot. Nice gift: These aluminum metal reusable flasks are ideal as a gift for your friends and families, suitable for hydrating them while exercising or on the go. Specifications: Material: aluminum Color: black Size: 25oz Package includes: 16 x Aluminum sports bottle Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Wash it before first use. Daily washing, wash by hands gently, not in dishwasher.