Material: 316 stainless steel Size: 7.5*19cm Color: As shown in the picture 1. Made of high-quality ceramic material, double-layer insulation design, with detachable straw, hot and cold dual-use is healthier. 2. Large-capacity water bottle, light and easy to carry, sealed lid design effectively prevents leakage, suitable for outdoor sports and daily use. 3. Unique straw mouth design, easy to clean, eliminate bacterial residue, and escort your drinking water safety. 4. Simple and stylish appearance, a variety of colors are available, whether it is a desk or a suitcase, it is a perfect companion. 5. Ergonomic and comfortable grip, with non-slip base, it is not easy to get tired even after long-term use. Package includes: 1 package contains 1 product