{"product_id":"heroic-knight-mens-backpack-waterproof-roll-top-backpack-women-travel-expandable-usb-charging-large-capacity-laptop-bag-mochila","title":"Heroic Knight Waterproof USB Backpack","description":"\u003cdiv\u003e\n\u003ch1\u003eHeroic Knight Waterproof USB Backpack\u003c\/h1\u003e\n\u003cp\u003eThis waterproof backpack keeps your laptop safe on the move, with a built‑in USB charging port and expandable capacity for day trips or longer journeys. Designed for men and women, it combines casual style with practical organization and durable materials.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCapacity\u003c\/b\u003e: 20–35 L or 36–55 L (large capacity, expandable space)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Oxford exterior with Polyester lining for durability and easy cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWater Protection\u003c\/b\u003e: Water-repellent exterior helps resist splashes and light rain\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUSB Charging\u003c\/b\u003e: Built-in USB charging interface for on‑the‑go power access\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLaptop Compatibility\u003c\/b\u003e: Fits up to 15.6-inch laptops with an interior laptop interlayer\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompartments\u003c\/b\u003e: Interior Slot Pocket, Interior Zipper Pocket, Interior Key Chain Holder, Interior Compartment\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExterior Details\u003c\/b\u003e: Exterior open pocket and fixed side buckle for quick access\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarrying Comfort\u003c\/b\u003e: Air Cushion Belt system and soft carry handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions \u0026amp; Weight\u003c\/b\u003e: 45 × 30 × 15 cm; weight 0.855 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eColor \u0026amp; Style\u003c\/b\u003e: Black; solid pattern, casual design suitable for daily use\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe backpack’s multiple interior pockets help you stay organized, while the interior laptop sleeve protects a 15.6\" device during commutes or travel. The air-cushion strap system reduces shoulder fatigue, and the soft handle offers a comfortable grab when you’re on the go. With a sturdy Oxford shell and a clean, unisex silhouette, it pairs well with work, school, or weekend adventures.\u003c\/p\u003e \u003cp\u003eQ\u0026amp;A of Heroic Knight Waterproof USB BackpackHeroic Knight Waterproof USB Backpack covers typical buyer questions, including size options, storage capabilities, and how this bag supports everyday routines—without unnecessary embellishment. The combination of water-repellent fabric, USB charging, and expandable capacity makes this backpack a reliable option for people who move between work, classes, and travel.\u003c\/p\u003e \u003ch3\u003eQ: What is this backpack best used for?\u003c\/h3\u003e\n\u003cp\u003eA: Daily commuting, school, and travel, with protection for a 15.6\" laptop and room for essentials thanks to expandable capacity.\u003c\/p\u003e \u003ch3\u003eQ: How much can it hold?\u003c\/h3\u003e\n\u003cp\u003eA: Configurable capacity from 20–35 L up to 36–55 L, depending on how it’s loaded and expanded.\u003c\/p\u003e \u003ch3\u003eQ: What pockets and interior organization does it have?\u003c\/h3\u003e\n\u003cp\u003eA: Interior Slot Pocket, Interior Zipper Pocket, Interior Key Chain Holder, Interior Compartment, plus an interior laptop interlayer for safety and organization.\u003c\/p\u003e \u003ch3\u003eQ: Is it comfortable to wear for long periods?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, with an Air Cushion Belt system and a soft carry handle to reduce fatigue during extended use.\u003c\/p\u003e \u003ch3\u003eQ: Why choose this over similar backpacks?\u003c\/h3\u003e\n\u003cp\u003eA: It offers a practical blend of water‑repellant protection, USB charging access, expandable capacity, and organized interiors within a unisex, durable Oxford design.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.youtube.com\/@BiblicalMysteriesRevealed\"\u003e\u003cb\u003eOur Videos\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/\"\u003e\u003cb\u003eOurlum.com\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/collections\/all-products-in-ourlum\"\u003e\u003cb\u003eHeroic Knight Waterproof USB Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/collections\/all-products-in-ourlum\"\u003e\u003cb\u003eourlum.com Best Sellers\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=Waterproof%20USB%20Laptop%20Backpack\"\u003e\u003cb\u003eWaterproof USB Laptop Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=Expandable%20Travel%20Backpack\"\u003e\u003cb\u003eExpandable Travel Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=Mens%20Laptop%20Backpack\"\u003e\u003cb\u003eMens Laptop Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=Anti%20Theft%20Backpack\"\u003e\u003cb\u003eAnti Theft Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.ourlum.com\/search?q=Oxford%20Material%20Backpack\"\u003e\u003cb\u003eOxford Material Backpack\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Ourlum","offers":[{"title":"Blue \/ israel","offer_id":48603049558261,"sku":"1005004736590989-Blue-israel","price":207.99,"currency_code":"USD","in_stock":true},{"title":"Blue \/ spain","offer_id":48603049591029,"sku":"1005004736590989-Blue-spain","price":207.99,"currency_code":"USD","in_stock":true},{"title":"White \/ Russian Federation","offer_id":48603049623797,"sku":"1005004736590989-White-Russian 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