The Guildhall Double Pocket Wallet is part of the Legal and Professional Filing range is manufactured exclusively from James Cropper \'Sprint\' Manilla to ensure the strength, durability and colour consistency.. Capacity of 70mm. 315gsmFoolscap is a common size for ring binders/lever arch files used to hold A4 paper as it is slightly larger than A4 (210 mm ? 297 mm) and thereby offers greater protection to the edge of the pages.. Please note this is a web only line and is not available in store.