HERO ARTS- Wood-Mounted Rubber Alphabet Stamp Sets. Hero Arts Wood- Mounted stamps are made with lightweight wood; foam and red rubber to give you solid stamping performance. With designs for the everyday and special occasions you are sure to find the perfect stamp. This package contains twenty-eight 1-5/8x3/8x3/8 inch Alphabet Stamps. Available in a variety of different fonts: each sold separately. Size of stamped design varies by font. Imported.