• What You Will Receive: the package comes with 3 pieces of hydration backpacks in black, blue and green color, equipped with 3 pieces of water bladders in blue color, a nice combination set to satisfy your drinking demand for outdoor sports
• Stable for Long Time Use: the hydration backpack pack is mainly made of nylon and polyester material, anti scratch and wear resistant, strong enough to serve you for a long period, the hydration bladder is mainly made of TPU material, safe and reliable to use
• Appropriate Size for Using: the water backpack for hiking is about 16.93 x 11.02 x 3.15 inches/ 43 x 28 x 8 cm, it is adjustable, one size fits most people to wear, the water bladder is about 2L, large enough to provide enough water for you
• Replaceable Bladder: you will receive 3 pieces of backpack water bladders with hose, the simple bite valve design allows you to drink water easily, and keep your clothes from getting wet
• Applicable for Many Occasions: the water backpack for running is suitable for various occasions, such as camping, hiking, cycling, skiing, climbing, running, biking, fishing and other outdoor activities