Based on this product's specifications, here are some alternatives and similar models
Backpack onemate Pro 2 OMP1007.1 — black, durable water-resistant school backpack
Summary description:
The onemate Pro 2 OMP1007.1 is a black school backpack designed for daily use. Made with durable, water-resistant materials, it protects contents from light rain and wear. The pack offers organized storage for books, supplies and small personal items, comfortable carrying for children, and practical suitability for school, commuting and everyday activities.