Based on this product's specifications, here are some alternatives and similar models
Ring Binder Leitz 46760095 A4 Black Polypropylene
Summary description:
The Leitz 46760095 ring binder is designed for A4 documents and made from durable polypropylene. It features a sleek black design and dimensions of 231 mm width, 310 mm depth, and 13 mm height. This binder is perfect for organizing and storing important papers securely.