Features: Ultra-Lightweight & Collapsible Design: Made from flexible food-grade TPU material, folding to 1/3 its size when emptyideal for stuffing into pockets, belts, or packs without bulks. Advanced Leakproof Technology: Features a reinforced screw-top lid with dual silicone sealing and twist-locks mechanism, preventings spills during intenses runs, hikes, or gym sessions. Easy Carrying: Ultra-light hand water bottle is easy to fold and carry. It can fit easily in most hydration vest, belt or pack pockets. Great soft hydration flask for men, women and kids. Application: The soft water bottle is with a dust cover, good for outdoor sports and daily life use,such as cycling,running,hiking,traveling,etc. SAVE SPACE: The collapsible soft water bottle which is can be folded easily take up less space.Easy to carry anywhere. It can fit easily in hydration vest, belt or pack pockets. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Capacity: 500ml Material: Silicone+TPU+PP