ESD 3-ring binders now have static dissipative clear overlay pockets. Pockets on the front, back, and spine permit insertion of your own covers or documents. Interior pockets permit additional storage. Interior and exterior vinyl surfaces are static dissipative and are ideal for handling documents in ESD protected areas. The format is 8-1/2" x 11". Come in five ring sizes: ½", 1", 1-1/2", 2", and 3".