Based on this product's specifications, here are some alternatives and similar models
Backpack Samsonite Spectrolite 3.0 Black Nylon Polyester 15.6"
Summary description:
The Samsonite Spectrolite 3.0 backpack is designed for convenience and style. Made from durable nylon, polyester, and polyurethane, it features a monochromatic black design. With a maximum screen size of 15.6 inches, it is perfect for carrying laptops and essentials. Dimensions are 300 mm width, 230 mm depth, and 425 mm height, making it compact yet spacious for daily use.