8.5" diameter discs made from a dense foam with a tough Skin Coating The dense foam provides weight so they fly like you'd expect a Frisbee to fly. Use indoor or outdoors (but not on pavement or asphalt) Soft, non-threatening and comfortable to throw and catch Sold as a set of 6 discs, as pictured Our Glo-Bright Flying discs fly like you'd expect a Frisbee to fly yet are soft and comfortable to catch. Made from a dense foam with a durable vinyl coating. The dense foam gives them some weight so they will fly outside. Each disc measures 8 1/2" in diameter. Sold in a set of six that includes 1 each of red, blue, green, yellow, purple and orange.