Size: 33cm (length) x 13cm (width) x 33cm (height). Net weight about 0.7kg Shoulder strap length about 130cm Can be easily used for 12.9-inch tablets, mobile phones, umbrellas, A4 magazines, sunglasses, personal documents, etc.Structure: 8 pockets in total. Inner pockets: 2 main compartments, 1 zipper compartment, 2 pockets and 1 side zipper compartment. Outer pockets: 1 front pocket, 1 anti-theft waist bag. Multiple pockets and reasonable coatings are developed according to daily use habits to store scientific and practical items to meet your purposes.Craftsmanship: Made of selected and well-made PU fabric, it is light and elastic, with clear color, soft feel, strong toughness and good load-bearing capacity. In addition, it is waterproof, durable and easy to clean. Excellent sewing technology makes the seams smooth and soft. Made of high-quality electroplated hardware, the zipper does not rust.