Scotch(R) Sticker & Marker Remover 6042, 12 per case, Not for Retail sale or use in California. Consult local air quality rules before use. A pH neutral pen that is a citrus based adhesive remover. Not for Retail sale or use in California. Consult local air quality rules before use. Use for removing adhesives, marker and crayon from walls, lockers, desks, glass, folders, photo-safe and easy-to-control - ideal for crafts and memorybooks, lift grime and grease from garage areas or work sites.