Based on this product's specifications, here are some alternatives and similar models
Binding Cover A4 Fellowes 53152 Transparent White 100 pcs
Summary description:
Fellowes 53152 binding covers are designed for A4 documents. Made from durable transparent plastic, these covers provide a professional finish while protecting your documents. With a thickness of 0.150 mm, they are sturdy yet flexible. Each pack contains 100 covers, ideal for bulk projects or office use. The dimensions are 297 mm in width and 14 mm in depth, making them perfect for standard A4 sheets.