The Prat Cristal Laser Sheet Protector is a professional-quality hole-punched sleeve measuring 21cm x 30cm, designed to fit Prat's Pampa range of spiral books.
Sold in a pack of 10, they are made from super-clear, non-stick polypropylene, which is acid-free and passes the Photographic Activity Test so you can be confident they are a safe way to protect and archive your work.
Prat Cristal Laser Sheet Protectors are available in A3 and A4 size.