Based on this product's specifications, here are some alternatives and similar models
Photo Corners Hama 500
Summary description:
Hama Photo Corners 500 are transparent and white photo corners that come in a pack of 500 pieces. They are acid-free and solvent-free, ensuring the safety of your photos. Ideal for scrapbooking and photo albums, these corners provide a secure way to display your pictures without damaging them.