Hydration Backpack Pack 2 Liter TPU BPA Free Hydration Water Bladder Tactical Water Vest Lightweight Bike Bag Outdoor Gear Kit for Hiking Cycling Running Camping Hunting for Women Men 

This hydration splash-proof polyester daypack equipped with adjustable straps,the hidden helmet net and rain cover are uniquely sewn into the backpack bottom,and dual water bottle storage,easy to carry climbing sticks and other hiking accessories stuff,both shoulder straps and the front of the backpack feature safety reflective strips to offer safer reliability for women,girls,men,boys .

Features ： 

1. Mesh padded shoulder strap is construct of breathable and porous mesh maximizes breathability and heat dispersion.

2. Multifunctional hydration water backpack, cycling backpack, hiking backpack, and water bladder vest, hoping to bring you a different user experience, especially when traveling outdoors

3.  BPA Free 2L waterproof TPU Water bladder is very durable .this hydration water bladder comes with a 3.95"(10cm) opening screw cap, which can fill water and ice super quickly, simultaneously, it is more convenient to clean anytime, the water tube provides a wholesome flow for easy drinking.

Others: 

Backpack Size: 18.9*9.8*5.9INCH / 48*25*15*CM

Bladder : 15*6.7*0.04INCH / 38*17*0.1CM   ,  2L

Bladder Weight (unfilled): 6.3 Ounce / 0.18 Kg