Based on this product's specifications, here are some alternatives and similar models
Plastic A4 Document Folder with Euro Perforation Penmate model 380982 transparent
Summary description:
A transparent Penmate A4 document folder (model 380982) made of clear polypropylene (PP) with euro perforation for hanging on binders or hooks. Designed to hold and protect A4 papers, the lightweight PP cover offers water resistance and durability for office, school, or home use. Suitable for organizing, storing, and transporting loose A4 sheets and documents.