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35L Expansion Waterproof Laptop Backpack Multifunction Travel Backpack Outdoor Luggage Bag Description Features: 180° Full Open Design: This travel backpack can be fully laid flat at 180°, just like a suitcase. Clothes stay wrinkle-free and all your belongings are easy to reach. It works as a carry-on bag for flights without checked luggage, an ideal replacement for small suitcases. Large Capacity & Multi-compartment Storage: Well-organized divided pockets include passport slots, pen holders, separate clothing compartment and mesh storage pockets to sort documents, electronics and daily outfits. Multiple external zipper pockets plus elastic side pockets hold water bottles and umbrellas for instant access. Dual-use for Business & Travel: Fits up to 15.6-inch laptop, perfect for daily commute, business trips and short vacations. Adjustable compression straps on both sides allow flexible capacity control—tighten it for light loads or expand it to pack luggage for 3–5 day trips. Ergonomic Pressure-relief Back System: Thick honeycomb breathable sponge shoulder straps evenly disperse shoulder pressure and prevent sweat buildup after long-time carrying. A sturdy top handle supports both hand carry and backpack wear for flexible transport. Waterproof & Wear-resistant Premium Fabric: Made of high-density water-repellent fabric to resist light rain and inner stains. Reinforced metal zippers and durable edging extend service life. Available in classic black and cream beige, minimalist unisex design fits all men and women. Specifications: Conditon: 100% Brand New Main Material : Nylon Lining Material : Nylon Color: As Shown size: As Shown Package List:1pc Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.