Based on this product's specifications, here are some alternatives and similar models
Casual backpack Samsonite Securipak 2.0 Black Recycled PET 280x150x415mm
Summary description:
The Samsonite Securipak 2.0 is a casual backpack designed for city use. Made from 100% recycled PET, it features a sleek black design. Dimensions are 280mm in width, 150mm in depth, and 415mm in height, making it compact yet spacious enough for daily essentials.