Content - Light and versatile polystyrene balls, white color, D: 5 cm. The package contains: 50 units. For the artist inside: polystyrene balls are multipurpose and can be combed with a variety of shapes and with different materials. The only limit is your imagination. The perfect use for this product: polystyrene balls can be used in a variety of art and craft projects, children's craft projects or school projects.