One bag, three backpacks, style switch at will Multi-mode backpack: Handheld mode: short handle design, with the commuter dress or skirt, elegant and competent, suitable for workplace, meeting scenes. One-shoulder mode: adjustable long shoulder strap, crossbody or side back, release hands, suitable for shopping, dating and other casual occasions. Double-shoulder mode: hidden double shoulder straps can be unfolded with one click, easily switch to double-shoulder bag, more energy-saving for traveling and taking children on trips. Retro fashion design: Simple lines with retro elements, the bag is firm and not floppy, easy to handle minimalist style, French style or light retro wear. Luxurious texture PU leather, durable and easy to take care of High-quality material: the selection of wear-resistant wrinkle-resistant environmental protection PU leather, the surface of the delicate matte, soft touch, close to the texture of genuine leather, cost-effective. Waterproof and anti-fouling: the surface is treated with splash-proof, so you can travel in rainy days without fear of water stains, and daily stains can be cleaned by wiping, which saves your effort. Light weight: the empty bag weighs only about 450 grams, full of items does not pressure the shoulder, long time burden-free backpack. Large-capacity zoning, well-organized storage Scientific zoning design: Main compartment: can hold 14-inch laptop, iPad, umbrella, cups, cosmetics and other large items. Inside pocket layout: zipper hidden pocket, open insert pocket, side elastic pocket. Rear anti-theft pocket: fit back design, can put cell phone, traffic card, safe and anti-theft, reach out and take. Thickened bottom support: built-in hard pallet at the bottom to avoid the bag from collapsing and deforming, and keep it straight even when loaded with heavy objects.