Overview Brand : UTOBEST Material : Thermoplastic Polyurethane Bottle Type : 500ml-28mm (2 Pack) Color : Purple Capacity : 500 Milliliters About this item Effortless Hydration: Features a high-performance silicone bite valve that ensures smooth, spill-free flow and a leak-proof design. The soft flask running bottles come with a removable dust cover to maintain superior hygiene—perfect for active lifestyles. Ultralight & Portable: 2 pack weighing just 73.6g (500ml), the soft water bottles offer compact hydration without adding bulk, making it perfect for outdoor sports and adventures. Versatile Sizes: Available in 150ml, 200ml, and 500ml, the flexible water bottle is compatible with hand-held use, pockets, waist packs, and hydration vests, suited for marathons, hiking, cycling, and more. Safe & Eco-Friendly: The running flask is made from BPA- and PVC-free food-grade TPU, ensuring durability, safety, and sustainability for environmentally conscious outdoor enthusiasts. Easy to Fill & Clean: The hydration flask features a wide 28mm mouth and ergonomic grooves for quick filling and cleaning. A removable bite valve allows for thorough sanitation and long-lasting usability.