ANCHEER Tactical Hydration Backpack w/2.5L Water Bladder Reservoir Bag, Military Style Daypack for Men, Women, Hiking, Cycling, Climbing, Hunting, Running & All Outdoor Activities (TYPE 1) Canvas REPLACEABLE 2.5 L BLADDER - With 2.5 liters of water, sports drink, or any other beverage for all day long use with our hydration bladder. Included a wide screw cap and insulated tube, taste-free. Quality Material - Heavy duty 600 Denier Polyester construction, durable plastic buckle and PVC lining, Streamlined, resistant to tears and abrasion. Pockets For Storage - 18.11" x 8.27" x 2.95" in size. ONE main pocket fits up to 2.5 L water reservoir, TWO front packets to carry your wallet, keys, phone, towel, or small tools. Extra Features - 3 adjustable straps to fit from kids or teens up to adults. Soft air mesh back and foam padded shoulder straps make you feel extremely comfortable during your trip. Versatile Hydration Backpack - Ideal for hiking, running, biking, walking, all-mountain riding, canoeing, or any other outdoor activity. Air mesh back and shoulder pad allow for airflow design, comfort and thermal performance. Wide shoulder strap is more durable and comfortable, elastic band for fixed water hose. The main pocket is designated for the water bladder. It has bladder holder for both wide and small mouth bladder. 2.5L BPA free wide mouth bladder, clean the bladder and add ice cube easily. This all-in-1 Hydration Pack is Value-added, fashionable, lightweight and multifunctional. Alternative uses for Hikers, Bikers, climbers, Runners, Hunters, Travelers, Outdoor Enthusiasts