Description Designed for everyday study life and light travel, this 3-in-1 PU leather laptop backpack with a rugged, waterproof finish to keep contents dry and protected in rain and splashes. The external frame provides structural support while the soft, ergonomic arcuate shoulder straps ensure comfortable carrying for long school days. With a capacious 36–56 liter internal capacity and a dedicated computer interlayer, it easily accommodates a 15.6-inch laptop and other essentials, making it ideal for students, commuters, and weekend explorers who value rugged durability and organized storage. Key Features and Use Scenarios Waterproof PU leather exterior: Tough, easy to wipe clean, and resistant to daily wear, keeping belongings safe during commutes, campus life, and outdoor study sessions. Large capacity & versatile layout: 36–56 L capacity across multiple compartments, including a padded laptop sleeve and interior organization pockets. The 3-in-1 design supports seamless transitions between school, work, and travel. Comfortable and practical: Arcuate shoulder straps and a soft-handled top grip offer versatile carrying options. A built-in luggage strap adds convenience for travel, while a breathable interior lining enhances comfort. Safe and multi-purpose: External color options (Brown, Gray, Black) with a secure zipper closure and a dedicated laptop interlayer; suitable for students, professionals, and travelers who need reliable everyday performance. Customization and logistics: OEM/ODM accepted; available for custom logos and bulk shipping via express, sea, or air. Product NamePu Leather Waterproof Backpack for Students Main MaterialPU TypeExternal Frame Lining MaterialPolyester Capacity36-56 Litre GenderUnisex Closure Typezipper Handle/Strap typeSoft Handle InteriorComputer Interlayer Size43*29*16cm Carrying SystemArcuate Shoulder Strap ColorBrown, gray, black Delivery Time25-35 work days Logono logo / custom Size / Weight43*29*16cm / 0.68kg Place of originHebei, China OEM/ODMAccept MOQ500 pcs / color Shipping1.Express With DHL.FEDEX.UPS.TNT.EMS 2.By Sea Shipping Or By Air Packaging1pc poly bag Carton
