Features: BPA & PVC free, odor proof, and can rest assured use. Wide opening design, convenient to fill and clean. Soft silicone nozzle provides fast water flow. With a transparent dust proof cover, keep your drinks clean. Soft body makes drink easily and efficiently. Durable and reusable,can use for times and just so light for carry. Specifications: Material: PEVA + Silicone Color: Transparent Quantity: 1 pc / 2 pcs ( optional ) Capacity: 250ml / 450ml / 500ml ( optional ) 250ml Product Size: 21 * 8 cm / 8.3 * 3.1 in Product Weight: 30 g / 1.1 oz 450ml Product Size: 27 * 7.5 cm / 10.6 * 3.0 in Product Weight: 32 g / 1.1 oz 500ml Product Size: 24.5 * 9 cm / 9.6 * 3.5 in Product Weight: 35 g / 1.2 oz Packing List: 1 * Soft Flask