Based on this product's specifications, here are some alternatives and similar models
Laminating pouches DAHLE A3 303x426 mm 160 µm (2x80 µm) – pack of 100
Summary description:
DAHLE A3 laminating pouches, size 303×426 mm, total thickness 160 µm (2×80 µm), pack of 100. Designed for thermal lamination to protect A3 documents, posters and photos from moisture, dirt and wear. Suitable for office, school or home use with compatible A3 laminators; provides durable, clear finish and easy handling during lamination.