Based on this product's specifications, here are some alternatives and similar models
Backpack Techair TAECB005 12-14.1" Eco
Summary description:
The Techair TAECB005 Eco Backpack is designed for 12-14.1" laptops, featuring 2 compartments for organized storage. Weighing only 592g, it includes a carrying handle and shoulder strap for easy transport. Its monochromatic design offers a sleek look, making it a practical choice for daily use.