Manosplint Ohio F material comes with a built-in liner which cuts down on the amount of time the therapist needs to spend fabricating the splint. The fabric is antimicrobial, which reduces the risk of bacteria and odor developing. The fabric is hook-receptive on both surface which makes strapping easy to apply. The perforated surface allows for air circulation without sacrificing rigidity. It is available with 1%, 5%, and 36% surface perforation. Ohio F Perf 1/16" x 18" x 24" 36% Perf Blue/Grey Fabric, case of 4