These acrylic round balls are the perfect casing for making DIY bath bombs, baking cupcake balls, painting, craft projects and more. Easy to snap open and close, each bath bomb molding shell is made up of 2 split plastic halves that make up one round bath bomb ball shell. Clear ornaments are also equipped with a hook on top to easily hang whatever is inside with string, twine, ribbon, or streamers. Easy to paint on as well which makes them a fun choice to make classroom decorations all year long. Made of heavy gauge plastic for durability.