LinaLife 2L Capacity Folding Water Bag with Drinking Tube Hydration Bladder Leak Proof Outdoor Accessory Bicycle Hiking Ride Water Bags Drinking Water Bag Waterdrop Gravity

How to use: Just bite the mouthpiece to absorb water, and a cool and refreshing spring will immediately pour into your mouth. When you release it, it will automatically close, completely freeing your hands. Material: New environmentally friendly material, food grade, with the following advantages: Hydration Water Backpack is useful in desert, forest, rock-climbing, riding and when you aren't convenient to drink by hands. It has strong wear resistance. Ordinary materials will suffer from friction, scratching, etc. during use, which will cause gradual wear and tear on the surface. However, EVA has excellent wear resistance and is more than fifty times more wear-resistant than natural rubber. 3.54 inch openings. Large opening for easy cleaning and easily adding water and ice; Strong elasticity, not damaged, When filled with water, can withstand squeezing. Can withstand the water temperature range: -20 to 50 degree Celsius; Two Holes to hang up on your pack's bladder compartment,keep it standing upright.High-flow bite valve with dust cover, mouth piece(made from food grade softe silicone) with a valve switch, to prevent leakage.Thermal tape at each end prevents insulation from sliding and wearing off. Good flexural resistance. Many plastic materials are prone to fracture under repeated stress, but EVA can maintain excellent flexural resistance in different environments. Hydrolysis resistance EVA has good hydrolysis performance at room temperature and will not undergo significant hydrolysis within 1-2 years.