High quality: Made of food-grade TPU, the soft water bottle is BPA-free, the materials are healthy and environmentally friendly. The excellent water bottle is ideal as a gift for family and sports enthusiasts. The soft bottle is leak-proof when you are exercising or traveling. Easy to carry: Ultra-light foldable running water bottle is easy to carry when empty or full, it is suitable for all sports activities. When you are out, you never have to worry about water supply. Water bottle for outdoor sports that can be used by adults and children. Foldable design: It is very flexible and easy to fold to make it much smaller (about 6 cm high) and it also has some stretch in the material, it stands upright when full. And the wide soft bottle is easy to fill with water and clean. Practical water bottles: This bottle is suitable for almost all outdoor activities such as running, riding, camping, marathon, etc. Wide operating temperature range (0° C- 40° C / 104-° F) The TPU water bottle can be stored in the refrigerator, so you can easily get refreshing drinking water in hot weather.