Based on this product's specifications, here are some alternatives and similar models
Backpack Xiaomi BHR9177GL — water-resistant, lightweight business laptop backpack
Summary description:
Business backpack Xiaomi BHR9177GL is a water-resistant, lightweight backpack designed for daily commuting and business use. It fits a laptop and documents, offering practical storage for work essentials. The model focuses on protection from moisture, easy portability and organised compartments to keep devices and accessories secure during travel and office commute.