Features: Reliable Material: These inspirational water bottles are made of quality aluminum, rust resistant and sturdy, not easy to break. Practical to use: The water bottles for gym can be suitable for any group of people, and suitable for your family members, colleagues and more. Specifications: Material: aluminum Color: As picture shown Size: ?7.9 x 2.7 inches Package includes: 24 x Sport water bottles Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.