Description They can be folded into a very small object and placed in waist bags, chest bags, backpacks, almost anywhere. Features: Lightweight and compact foldable soft bottle, easy to use, store, and carry. Soft bite valve, high flower rate, wide mouth, convenient to drink. Made from antimicrobial TPU (thermoplastic polyurethane), it has excellent durability and flexibility. Reusable, BPA free, PVC free. Wide mouth design, convenient for adding water. Suitable for outdoor activities such as running, walking, cycling, and mountaineering. Specifications: Material: TPU Color: Pink Capacity: 150ml/250ml/500ml (optional) Water temperature: 0-40 ° C