50L USB Outdoor Hiking Sport Trekking ing proof Camping Men and Women Couples Shoulder Bag Backpack Mountaineering Bag Outdoor sports backpack( ) 50L USB Outdoor Hiking Sport Trekking ing proof Camping Men and Women Couples Shoulder Bag Backpack Mountaineering Bag Outdoor sports backpack( ) 100% brand new and high quality . Sports bag type: leisure sports bag Suitable for: mountain climbing, fishing,travel, camping, climbing... ness: soft Pattern: letter city: 40-55L : orange, , green, red, rose red, black Internal structure: zipper bag Size: (Wide)30cm*(High)53cm*(Thickness)17cm Charging design: more convenient (requires own charging treasure) : 1: suspension sponge carrying system, breathable perspiration, reduce bear. 2: the use of anti-wear fabrics h, fear thorns outdoor abrasive. 3: fear cold temperatures, low temperatures can remain soft cloth, not hard and brittle. 4: front three phosphor stripes convenient night travel. 5: straps design,much more comfortable. 6:With unique net which is a good helper for outdoor cycling. 7:Integrated breathable mesh pad in the back,breathable and not muggy. 8:The waterproof nylon fabric,provent the items inside from being wet. 9:The small front pocket is very practical,suitable for storing small articles such as mobile phone. Packing: 1X backpack