Fast loading, easy to use. Stamps are applied in one convenient swipe. For use with U.S. Postal Service 100 stamp, self-adhesive postage rolls. Automatic removal of stamp backing. Applies up to 30 stamps per minute. Capacity (text): One 100 Stamp Roll; Color(s): Blue/Clear; Material(s): Plastic; Size: 1 5/8 x 5 3/8 X 1 3/16.