Based on this product's specifications, here are some alternatives and similar models
Document pocket BCF Pocket AD Class punched A5 40 µm clear pack of 100
Summary description:
BCF Pocket AD Class punched document pockets for A5 documents, made of 40 µm clear plastic. Each pocket is pre-punched for ring binders and designed to protect and organise papers without folding. Pack of 100 suits office, school or home use to store, display and preserve documents while keeping them visible and accessible.