Bag size: Medium Pattern: solid color Lining texture: Polyester Acceptable Computer size: 15.6 Model: 3506 Outer bag type: Sandwich pocket Accessory type: backpack padded shoulder Material: Nylon Degree of water-resistance: water repellent Number of shoulder straps: Double joint Lifting parts: soft carry handle Function: breathable, waterproof, wear-resistant, burden reduction Hardness: soft Suitcase shape: vertical model in square shape Opening method: zipper Bag internal structure: zipper changing bag, mobile phone bag, document bag, computer pocket, camera pocket Capacity: 20-35L Well-made backpacks are comfortable and stylish in a variety of colors with durable classic metal zippers. The classic and minimalist design really stands out from the crowd. Comfortable wearing: The back part was made of breathable material, you will not feel hot after long time wearing. Padded adjustable straps make the bag more comfortable to carry. You can take it to high school, gym,shopping, cycling, dating, working, sporting, etc. Perfect Gift Choice:This bag can be used as a laptop backpack, outdoor travel, hiking backpack, business backpack, college backpack, high school student bag, night travel backpack, business laptop bag for men and women It is a ideal present ready for anywhere.