Features: 3-in-1Soft and durable 3-in-1 computer business bag: backpack + shoulder bag+ handbag, robust material and double stitched technology, does not tear when you put a lot in the backpack, smooth metal zips feel good and glide easily. Comfortable shoulder strapThe rucksack designed with curved shoulder straps and solid carrying handle, allow for airflow without stickiness, lightening shoulder pressure with a dry and provide comfortable carrying experience. Multi use rangeLightweight.Enough space for folders, files, notebooks and other computer business items.The perfect backpack for computer,business, office, working, shopping, dating, travel, camping, etc. For multi occasionIt is practical for everyday use with space for your phone, wallet, cards, etc. Can be also used as a shopping bag for you to go shopping, travel, dating, etc. USB charging headThe backpack is not only large capacity, but also stylish and extremely durable. Multi-functional design, side external charging USB charging head, release both hands while walking and playing while charging! Specifications: Color: black,red,blue,light grey Opening method: zipper Material: Oxford cloth Lifting parts: telescopic handle Outer bag type: three-dimensional bag Bag shapes: square vertical section Strap root number: double root Lining texture: polyester Function: breathable, waterproof, wear-resistant, anti-theft Capacity: 20-35L Internal structure of the bag: zipper pocket, mobile phone pocket, ID pocket Applicable scene: leisure travel Applicable gender: neutral Accommodates computer size: 17 inches Carrying system: Curved shoulder straps Size(about):(WxHxT) backpack: 32x43x8cm/12.6x16.9x3.15inch shoulder bag: 21x23x6cm/8.3x9x2.36inch handbag: 18x11x1cm/7x4.3x0.39inch Package Included: 1pc x backpack 1pc x shoulder bag 1pc x handbag Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.