Polypropylene bags to hold proofs of all dimensions.
 Archive quality bags, made of top quality polypropylene, without the chemicals and plastics present in the usual micas and that cause deterioration in long-term packaging.
 They passed the PAT (Photo Activity Test).
 Available in 6x9cm, 9x13cm, 10x15cm, 13x18cm, 20x25cm and A4 formats.