acvcy hydration backpack with 2l water bladder, backpack reservoirs water bladder daypack for festivals, raves, running, hiking, biking (2 pack) acvcy <b>according to customer feedback we would like to remind you that please tighten the place where the water bag and the outlet pipe are connected. otherwise there will lead to leaking.</b><br><br>acvcy hydration pack water backpack with 2l water bladder perfect for running cycling hiking climbing pouch<br><br> <b>※ feature:</b><br> ☻super lightweight hydration backpack pack is compact and low , is perfect for running cycling camping<br> ☻made of durable nylon: resistant to abrasion, wear and tear<br> ☻hydration back pack has 3 extra layers including an easy access mesh front layer and other two zippered side layers which will ensure you enough space for different essentials.<br> ☻wide webbed shoulder straps with holes for the water tube<br><br> <b>※ specification:</b><br> ☻material: workmanship & nylon. food-grade bpa-free<br> ☻color: bule+grey<br> ☻weight: 1.63 lb<br> ☻size: 9.8” x 7.9” x 4.7” <br><br> ※ important notice:</b><br> ☻the temperature of the water should be between -20 and 50 degree celsius. hydration bladder bite valve cannot hold juice, milk, soft drink, liquor, etc.<br><br> <b>※ package list</b><br> ☻2*hydration backpacks<br> ☻2* hydration bladders<br><br> <b>※ warranty:</b> 1 year warranty and quality assurance. please contact us for any quality issue. do not need return for replacement or refund.