Item Description:	Tube connected to the bottom of the bladderCan be put into backpack and backpack's shoulder strapCan be used to store water with -20 to 50degree celsiusFoldable designSpecifications:Content : 2 LBag : approx. 36 x 17.5 cmMouth diameter: approx. 3.5inchTube length: approx. 41.5 inchPackage include:1 x 2L Water Bladder Bag