USWE 0. 5L Softflask Large Opening Got Water?This 0. 5L softflask brings a wide-mouth opening to USWE's proven flask design, making it easy to fill with water, electrolyte mix, or ice at any aid station or kitchen sink. Made of ultra-durable, abrasion-resistant TPU with RF-welded seams, it slides neatly into vest pockets built for USWE's Rocket flask lineup. Features Large opening designfor easy filling, mixing, and ice loading Ultra-durable, abrasion-resistant TPUwith RF-welded seams for superior durability and elasticity Freezable and heat-safeup to 140degF / 60degC100% BPA and PVC freefor safe, reliable hydration Compatible with USWE Rocket flask pocketsacross the VST and PACE vest lineups SPECIFICATIONSIntended Use Trail Running, MTB, Gravel Capacity0. 5L / 500ml Material TPU, RF-welded seams Compliance100% BPA and PVC free | Uswe | 0. 5L Softflask Large Opening Black