Create Unique Cast Glass Earrings Be the envy of all your fashionista friends with cast glass hoop earrings. Fill earring molds with glass frit, scrap and powders to create one-of-a-kind cast glass earring sets. Try combining powders to create a marbled look or accent with dichroic. The possibilities are endless! Coat molds with ZYP Boron Nitride Spray or casting mold primer before use. Finished earrings measure approximately 1-1/4" in diameter. Mold casts 6 hoops in 1 firing. Entire mold measures 7-1/8" x 4-7/8" x 1-1/4 Images courtesy of Creative Paradise Inc.