20W SOLAR CHARGER -- Built-in USB Port Waterproof Portable Camping Charger with High Efficiency Solar Panel Cell Compatible for iPhone X/8 Plus/8, iPad, and Any USB Devices, It can easily squeeze in your backpack offers portability and simplicity. The included attachment hook makes it ideal for connecting to a backpack.

LARGE CAPACITY -- Large Bearing Capacity: 78L. Size: 27.5 x 15.8 x 11.0 inches. weighs 2.6 pounds (1.18 kg); Multi-position torso adjustment fits wide range of body sizes; Durable open-cell foam lumbar pad and molded channels provide maximum comfort and airflow; Backpack is suitable for men and women.

MANY POCKETS -- 1 small front zipper pocket,1 large front zipper pocket with string bag,1 large deep main pocket with string bag for Hydration Bladder, 2 hipbelt Pocket,2 Side Pockets, Many string and carabiner of the backpack daypack can hook or bind tents or sleeping bags, moistureproof mats, mountaineering sticks, keys on it as an attachment.

SUPPER DESIGN -- Flexible pulling hand with meticulous line, made this kind of Outdoor Backpack bearing heavy capacity, its convenient to suspension and carry; S-shape shoulder strap with smooth curved arc fitted to your back and hands grip characteristics.

WIDE APPLICATION -- Made with high-quality nylon fabric and water resistant material that are durable and waterproof, Suitable for camping, climbing, occasional travel, day-to-day use, pack beach accessories, suitcase alternative, storing diapers, college, camera compartment.