Product Club Foil Boards 3.75x9 and 3.75x12 "Sturdy black acrylic boards are for use with all haircoloring foil. Ideal for both introductory and advanced foil techniques. Helps place foil as close to scalp as possible allowing for a thorough and complete application of color. Provides support beneath the foil for all haircoloring applications including those specialized techniques where color is not applied at the root. Available in 2 sizes and sold as a set One of each size - 3.75x9 and 3.75x12. "