HAZEL & RUBY-Stencil Mask Peel Away Alphabet: Broadside. Create your own subway art style projects with these beautiful and easy- to-use Stencil Masks! Use over and over again. Simply place design, paint and wipe clean. This package contains two 18x12 inch sheets with fifty-nine 2-1/2 inch peel-away letters. Acid-free and lignin- free. Imported.