StikkiCLIPS stick to all kinds of surfaces without damage or messy adhesive residue. Use on wallboard, cinderblock, brick, plaster, paneling, pegboard, concrete, metal, glass, plastic, wallpaper, tile and almost anything else. Use in your home, office, classroom, workshop, kitchen, laundry, hobby room, studio, dorm, locker and almost everywhere else. This package contains 20 .5x.75 inch self- stick reusable paper holders. Comes in a variety of colors. Each sold separately. Made in USA.