These Quick Back™ label holders are 1 1/4 x 3 (H x L) molded plastic. The clips are designed to fit on right angle .212 (D) wires. These Quick Back™ label holders have an easy flex opening that firmly grips plain paper signs. The attachments can be used with scanhooks from other comparable systems. These Quick Back™ label holders come in bags of 25 and will qualify for a money saving quantity discount if 8 are purchased at one time.