Premium quality precision trimmed rubber stamps that give you a beautiful image every time! use with any acrylic block (sold separately). simply remove the disposable acetate layer revealing the vinyl cling with printed image press onto a block align and stamp! use any ink that can be used with traditional wood-mounted stamps and clean with wood-mounted stamp cleaner. This package contains special day: Onec2.5x2. 5 inch cling stamp. Made in USA.