The hand held tacky roller is used for cleaning smaller surface areas. It is available only in a 3 mil clear polyethylene film 9 in, 12 in or 18 in wide on a 1½ in core for the 9 in and a 3 in core for the 12 in and 18 in. The hand held poly sticky roller is used for smooth surfaces. Poly coated film provides an anti microbial agent. The tacky roller or sticky roller has perforated sheets and when each sheet is contaminated it is simply peeled off the roll to uncover a clean sheet. The refill simply slides on and off the core handle. 4 rolls per case.