Dimension: 18x11x34 (length x width x height). Main pocket includes a phone pocket, a zipper pocket, a 7.9 inch tablet compartment, and other capacity. External: rear zipper pocket. Can store daily supplies, travel accessories, clothes, books, keys, lipstick, paper towels, wipes, and more. A handy companion for keeping travel essentials organized. Ultralight crossbody backpack. Casual sports chest bag silhouette adds a chic touch to your outfit while remaining lightweight. A great companion for outdoor or indoor activities and daily use anywhere. Suitable for camping, hiking, vacation, travel, trekking, mountaineering, weekend getaways, cycling, and overnight trips. Breathable and decompression design. Includes a USB charging port and password lock design. The back and shoulders stay comfortable and dry even in hot weather. For cycling, running, hiking, gym, travel, climbing or other outdoor sports, the thickened shoulder strap and the 3D back pad help reduce pressure and fatigue. Water repellent and scratch resistant fabric. Made of high density water repellent and tear resistant New Nanomaterials. Durable zippers close and open smoothly to ensure secure and long lasting use every day or weekend. Shoulder strap can be hung on the left or right according to your needs for convenient use.