1. TPU material, safe and environmentally friendly, can be recycled and used with confidence 2. Convenient water replenishment, easy operation with one hand 3. Silicone nozzle, soft and durable, easy to open and close 4. Light weight, folding and carrying 5. PP screw cap, easy to open by rotating without BPA 6. Portable water injection port, light design for easy water injection 7. Applicable scenarios: outdoor sports such as running/hiking/cycling/climbing 8. Size: 400ml: 6 x 19cm (without lid), 300ml: bag height 17cm (without lid)
