1. Large capacity to meet your daily needs, 3 front pockets, 1 rear pocket, and 1 hidden tote for easy access.2. 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.3. Polyester anti-tear fabric, wear-resistant, environmentally friendly, waterproof, delicate touch, protect your computer from rain.4. Soft and comfortable fluffy inner lining, shockproof and anti-fall, fully protect your love machine.5. Two-way zipper, smooth and not stuck.6. Back-to-back dual-use design, hand-held, one-shoulder, crossbody, premise, back lift a variety of back methods to meet your individual needs.Specifications:1. Fabric: polyester.2. Lining: fluff.3. Capacity: mobile phones, magazines, charging treasures, laptops, umbrellas, etc.4. Function: waterproof, breathable, wear-resistant, lightening and shockproof.5. Construction: 3 front pockets, 1 rear pocket, 1 hidden tote bag, and a luggage trolley strap.6. External dimensions: 36x27x3.0cm.7. Internal dimensions: 34.5x25.5x2.5cm.8. Weight: 350g.