Based on this product's specifications, here are some alternatives and similar models
Pocket Folder Leitz High Quality Pocket A4 Transparent
Summary description:
The Leitz High Quality Pocket is designed for A4 documents, made from durable transparent polypropylene (PP). With dimensions of 210 x 297 mm, it offers a professional look while keeping your documents safe. Each pack contains 100 folders, weighing only 10 g each, making them lightweight and easy to handle. Ideal for organizing and protecting important papers in an office or school setting.