JCB W1 Nylon Weave Bi-Fold Wallet in Black The W1 from JCB is a well made Polyester Woven Wallet with plenty storage space and pockets. It has a zipped section and velcro style fastening. It measures 13cm x 9cm closed and 25cm x 13cm when open. Black in colour. Features: 7 credit card sized pockets 1 large pocket for currency 1 clear pane for I/D card 1 zipped section JCB logo on front