This set of clear alphabet stamps includes multiple letters, providing a wide range of choices for customized designs. To use, remove the stamp from the transparent sheet and firmly press onto a clear acrylic block. Apply ink to the stamp surface using an ink pad or stamp markers, then stamp onto desired surface. For cleaning, gently wash with soap and water. This 90-piece set includes both letters and numbers in a 4x6 inch size, featuring Lane Narrow Font with 0.25 inch characters. These stamps are easy to use by attaching them to a clear acrylic block and are made in the USA from high-quality polymer that will not discolor over time. Add a personal touch to any crafting project with these versatile stamps.