Pre-cut A3 sheets of 75 micron Double-Matt Manual Drafting Film. Archival quality, and dimensionally stable. (30 sheets)
Perfect for field drawing and storage in lever arch files, Fits a 5m square at 1:20.
Also known as Permatrace.
This drafting film is waterproof.
(Care should always be taken when working in wet weather - to ensure you do not wipe over pencil drawings)