1. Large-capacity storage items: In addition to the computer, the extra space can also be placed in the main space. The hidden portable sides provide enough space for placing accessories such as accessories, which is safe and convenient. The front side has a pocket for storing mobile phones, iPads, pens and more. The rear pocket can accommodate power cords, earphones, bus cards, charging treasures, and more. 2. The main bag of the computer compartment is thickened with a layer of fluff protection. The material is fine and wearable and will not scratch the computer. 3. Oxford fabric, waterproof, wear-resistant, breathable, soft material, delicate touch. 4. Concealed hand-held design, the handbag is changed into a liner bag for one second, adapting to different occasions. Rivet stitching is reinforced and the handle is sturdy. 5. Double metal zipper, concealed design, smooth and smooth. 6. The length of the shoulder strap can be adjusted freely, which is convenient and practical. 7. Hand, shoulder, crossbody, premise, back and a variety of back methods to meet your individual needs. Specification: 1. Lining texture: nylon. 3. Hardness: Medium and soft. 3. Capacity: mobile phones, magazines, charging treasures, laptops, umbrellas, etc. 4. Structure: ID bag mobile phone bag laminated zipper bag zipper pocket computer pocket. 5. External dimensions: 43x31x3.5cm. 6. Internal dimensions: 41.5x29.5x3cm. 7. Weight: 500g.