[Insulation] The vacuum insulation layer to ensure insulation performance. The water bottle could keep beverages cold for a long time. Keeps heat or cold throughout your sleep time or busy working hours, the insulated mug ensures your drinking experience. [550ml Volume] The thermos cup with 550ml capacity, has enough space to store water, meeting your daily need for water. [Durable Stainless Steel] The insulation water bottle is made of food-grade 304 stainless steel material that is non-toxic and safe, BPA-free, shock-proof, durable, and sturdy, provides a long service life for you. [Anti-slip Bottom and Sweat-proof Coating] The bottom of the thermos cup, anti-slip, is designed to be stable, which is not easy to slip, or drop by accident. With a slip-proof and sweat-proof powder-coated exterior, our water bottle not only allows you to hold it comfortably. [Wide Application] The large capacity water bottle comes with a portable handle, convenient for you to carry, suitable for hiking, picnic, camping, or other outdoor activities. Material: 304 Stainless Steel+Slicone Color(Optional): White/Green Volume: 550ml Size: 17 x 8.5cm/6.7 x 3.3in(L x D) Package Size: 18.2 x 9.5 x 9.6cm/7.2 x 3.8 x 3.8in(L x W x H) Package Weight: 0.26kg/9.2oz Note: 1.Not microwaveable. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. Package Including: 1 x Vacuum Flask 1 x User Manual