Rexel Nyrex Business Card Pocket Polypropylene A4 90 Micron Clear (Pack 10) 13681 Nyrexô is the UK's No.1 brand for premium quality pockets and folders, providing protection of important documents since 1960 - long life guaranteed. Nyrex A4 Business Card Pockets have welded locations for storing up to 20 business cards. Manufactured from premium weight polypropylene material, ensuring strength and durability they have a multi punched reinforced strip, and the glass clear finish means cards can be photocopied without removal.