Use with daubers or a sponge to add patterned splashes of color to stamping and crafting projects Hero Arts original designs Developed to work with our line of stamps and accessories 6" x 55" stencils in 10 mil frosted Mylar An irregular grid stencil. Place on paper, outline with a pencil or fine-tipped pen, or use daubers or a sponge to add patterns and splashes of color. Hero Arts original designs. 6.5 x 5.5" stencils on 10 mil. thick frosted Mylar.