For those who are preparing for a long run or cycling trek， we highly recommend you this AT6611 1.5L Long Neck Water Reservoir Hydration Pack! Made of top grade TPU materials， it is anti-bacterial， extra heavy-duty and durable. Advanced sealing technique prevents leak so you can rest assured to pack it into your bag. This hydration pack is also equipped with an anti-bacterial watertight hose system that offers quick opening and easy sipping. And it is easy to refill with an extra large filling cap. Click and order right now!                                    Features            Great for those who are preparing for a long run or cycling trekMade of top grade TPU materials， anti-bacterial， extra heavy-duty and durableAdvanced sealing technique prevents leakEquipped with an anti-bacterial watertight hose system for quick opening and easy sippingExtra large filling cap， easy to refillEasy to carry                                                            Specifications            Brand    AOTU    <br>Model    AT6611    <br>Material    Environmental Protectionfood Grade TPU Composite Cloth    <br>Capacity    1.5L    <br>Color    Camouflage    <br>Pipe    100cm    <br>Dimensions    (12.99 x 6.69 x 0.39) / (33 x 17 x 1)cm (L x W x H)    <br>Weight    5.64oz / 160g    <br>                                                            Package Includes            1 x Water Bag