Based on this product's specifications, here are some alternatives and similar models
Laminator Pouch Fellowes 5602001
Summary description:
The Fellowes 5602001 laminator pouch is made of high-quality polyethylene terephthalate (PET) with a glossy finish. It is designed for A3 format documents, measuring 303 mm in width and 426 mm in height, with a thickness of 0.2 mm. Each pack contains 25 pouches, ensuring you have plenty for your laminating needs. Ideal for protecting important documents, photos, and presentations, these pouches provide durability and a professional look.