About 12cm wide, 16.5cm tall. The hem appears to be 3/8" wide all the way around. There is a vinyl pouch on both the front and back that must easily hold a 4" x 3" ID badge.
On the back, the vinyl pouch has a 2 7/8" wide by 1 3/4" tall cutout that is centered. This window is to all for scanning on a barcode.
There is a zippered pouch that is accessible on the front which is located roughly 5.5" from the bottom 1.25" from the top
The lanyard is 3/4" wide and 34" long (each side is 17" long). It is made of tubular nylon.