The PDA/ID Neck Caddy measures 5 X 7 and is made from durable black 1000 denier heavy nylon. This is a multi-pocket neck caddy. It has a clear window in front for ID and a clear pocket in the back that can hold a PDA inside of an ALOKSAK. The PDA can be used while protected in the ALOKSAK. It comes with an outer stylus holder and an inner opaque pocket that has additional slots for business cards and pens. Great for military applications. Comes with two 4 X 7 ALOKSAK.