Specifications:\r Main material: Polyester\r Lining material: Polyester\r Design: With USB Charging Port\r Security: Anti-theft lock system\r Usage: Ideal For School, Travel And Daily Commuting\r Features:\r **Durable And Stylish Design**\r More Than Just Luggage, This Backpack Is The Embodiment Of Style And Function. Made From High-Quality Polyester Fabric, This Backpack Is Durable And Can Withstand Daily Use. The Backpack's Anti-Theft Lock System Ensures Your Belongings Are Safe And Protected, While The USB Charging Port Allows You To Charge Your Devices Anytime, Anywhere.\r **Versatile And Convenient**\r Whether You're Going To School, Traveling Or Commuting, It's Your Perfect Companion. Its Spacious Interior Can Accommodate Laptops, Books And Other Essentials, Making It An Ideal Choice For Students And Professionals. The Backpack's Lightweight Design Ensures It Is Comfortable To Carry For Long Periods, And The Adjustable Shoulder Straps Can Be Adjusted To Suit Different Body Shapes.