1. Made from thickened ultra-durable stainless steel for durability and  heat distribution.
2. Double vacuum walls to keep warm or cold.
3. Designed with an ergonomic cover, which is leak-proof and easy for carrying and lifting.
4. The newly improved straw lid allows easy one-handed or hands free sipping.
5. Widely used in outdoor activities, such as cycling, hiking, camping, walking.
Features: 1. Made from thickened ultra-durable stainless steel for durability and  heat distribution. 2. Double vacuum walls to keep warm or cold. 3. Designed with an ergonomic cover, which is leak-proof and easy for carrying and lifting. 4. The newly improved straw lid allows easy one-handed or hands free sipping 5. Widely used in outdoor activities, such as cycling, hiking, camping, walking. Specifications: Material: Stainless Steel Color: Silver Capacity: 18oz/25oz/32oz/40oz (optional) 18oz Size:8.5 * 8.5 * 23.5cm /3.3 * 3.3 * 9.3 in  Weight: 245g  Package Size: 19.8 * 7.5 cm/ 7.8 * 3 in Package Weight: 360g 25oz Size: 8.5 * 8.5 * 26.5 cm/ 3.3 * 3.3 * 10.4 in Weight: 283g Package Size: 24.5 * 7.5 cm/ 9.6 * 3 in Package Weight:374g 32oz Size: 9.5 * 9.5 * 26 cm/ 3.7 * 3.7 * 10.2 in Weight: 380g Package size: 22 * 9 cm/ 8.7 * 3.6 in Package weight: 508g 40oz Size: 9.5 * 9.5 * 29 cm/3.7 * 3.7 * 11.4 in Weight: 420g Package size: 26.9 * 9 cm/ 10.6 * 3.6 in Package weight: 556g Packing List: 1 * Water bottle