This set of 5 roller covers (Rollers not included) are made from a durable 4-way stretch nylon/polyester/lycra material and is soft next to the skin for comfort. They have a smooth finish and can be wiped down as often as desired in-between washings. These covers are essential for keeping the rollers from crumbling. The stretching station has 6 rollers. One set includes a long stretching station double roller cover and two regular roller covers and two regular roller covers with padded ends.