VKM NFHS PU/Cork Dura-Hide 12” NFHS12Y. 47 COR-COMP 375lbs HV Lot of 5 Yellow. Own a lot of 5 VKM NFHS PU/Cork Dura-Hide 12" softballs, perfect for high school and competitive play. Lot of 5 VKM NFHS PU/Cork Dura-Hide 12" softballs.