General Description:● With the silicone suction nozzle to contro the water flow● Water pipe connecting the end of the silicone gasket will not be water seepage● The water temperature is not suitable for over 40 degree centigrade● Adopts soft TPU material fits all hydration rucksacks or backpacks● Push-pull drinking design， easy to use and carry Package weight: 0.148 kg Package Dimension: 20.00 x 7.00 x 3.00 cm / 7.87 x 2.76 x 1.18 inches Package Contents: 1 x 2L TPU Foldable Sports Water Bagpack for Bicycle Bick Cycling