Based on this product's specifications, here are some alternatives and similar models
Binding cover A4 Fellowes 5379601
Summary description:
The Fellowes 5379601 binding cover is designed for A4 documents. Made from durable PVC, it features a thickness of 0.150 mm and comes in a pack of 20. The white color provides a professional look, making it ideal for presentations and reports. Each cover measures 210 mm in width and 1 mm in depth, ensuring a perfect fit for your documents.