Decorate with beach inspired decor - this iconic sand dollar shape adds instant beach vacation vibes to any design or display. Fill this durable ceramic casting mold with glass frit and scrap glass to create one-of-a-kind cast glass sand dollars. Try combining opal and transparent glass to give dimension or add sparkle with dichroic. Apply ZYP Boron Nitride Spray or casting mold primer before use. Mold measures 4" diameter x 1" high, creates castings approximately 3-3/8" diameter x 1/2" deep.