Based on this product's specifications, here are some alternatives and similar models
Derform A4 lever-arch file with handle, 95 mm spine, unicorn design (TRGJR16)
Summary description:
A Derform A4 lever-arch file with a 95 mm spine and built-in handle, model TRGJR16, featuring a unicorn-themed cover. Designed to hold punched A4 documents securely using a lever mechanism, it suits home, school or office storage and transport of documents, worksheets, reports and archival materials.