The KROSER 17.3 Travel Laptop Backpack XL in black is a durable and functional backpack designed for carrying laptops up to 17.3 inches in size. The backpack features a water-resistant exterior, multiple compartments for organization, and an integrated USB port for charging on the go. With an RFID-blocking design for added security, this backpack is both practical and safe for protecting your valuable technology while traveling. The KROSER brand is known for producing high-quality laptop bags, making this backpack a reliable choice for tech-savvy individuals.