Content : 2 LBag : approx. 34 x 17cm/13.3" x 6.6"Mouth diameter: approx. 3.7"Tube length: approx. 42"Material: Safe non-toxic TPUThis environment-friendly non-toxic TPU water bag is perfect for outdoor use like hiking or camping.2L Hydration Wide MouthWater Bladder Bag-Cycling Hiking.Tube connected to thebottom of the bladder.Compressive resistance toabrasionCan be put into backpackand backpack's shoulder strap.Can be used to store waterwith -20 to 50 degree celsius.Foldable design， savingyour pack space when not in use.Suitable for camping，hiking， cycling，... etc.Package Content:1 x 2L Blue Bicycle Mouth WaterBladder Bag