Type A: Name: Hydration Bladder; Material: PE+EVA, hose material: TPE; Water pipe material: 25P PVC; Features: 1.5L/2L/3L large capacity, easy to carry, pressure and wear resistance; Size(about): 1.5L: length: 36CM/14.17in, width 18CM/7.09in; 2L: length: 39CM/15.35in, width: 18CM/7.09in; 3L: length: 42.5CM/16.73in, width: 20CM/7.87in; Type B: Material: blue EVA; Mouthpiece material: imported TPE; Water pipe material: 25P PVC; Capacity: 2L; Size: 351×175; Weight: 170g; Type C: Product name: 2L drinking water bag portable sports water bag; Material: EVA; Capacity: 2L drinking bag portable sports; Water bag straw length: 100cm; Weight: 185g; Scope of application: outdoor sports, leisure, camping, mountaineering, bicycle travel, etc. During strenuous exercise, you can replenish water in time, and the design of the straw can release your hands when drinking water, which is convenient for continuous exercise. How to use: Open the dust cover of the straw, gently bite the nozzle to absorb water, and then completely release your hands. Water Reservoir Water Bladder Hydration Pack Storage Bag 1.5L 2L 3L Running Hydration Vest Backpack for Camping Hiking Climbing.   Feature: 1.High-quality Material: The hydration bladder is made of high-quality PE and EVA material, equipped with TPU drinking water hose, wear-resistant, corrosion-resistant and no peculiar smell. It is an ideal water replenishment equipment for you to keep moisture when living outdoors. 2.Water Flow Control: The bite is equipped with OFF/ON valve to control whether the water is coming out, just bite the nozzle pipe to suck the water, through the bite force to control the size of the water flow. The switch valve and portable double seal clamp perfect design to ensure that water reservoir has a good sealing performance. 3.Wide Mouth Design: The wide mouth design at the top is easy to add water, ice, various sports drinks, hand or brush can easily touch the inside of the hydration water bladder for cleaning. 4.Easy to Use: The mouthpiece is equipped with a dust cover to prevent dust from entering. Remove the dust cover, open the switch valve, and gently bite the mouthpiece with your teeth to drink water. 5.Portable Size: The hydration water bladder has 1.5L(7.1*14.1in), 2L(7.1*15.3in), 3L(7.8*16.7in), which can be compatible with most backpacks. It is ideal equipment for running, walking, hiking, mountain climbing, traveling and other outdoor activities. Packing List: 1 x Cycling Hydration Bladder