Gradestuff Foam Fliers are made from a durable, polyurethane foam that makes them a soft, warm, colourful throwing disc.The integrated skin coating is tough enough to resist tearing and picking, yet friendly enough to nearly eliminate any fear of catching.Set of 6 includes 1 each of red, yellow, blue, green, purple and orange to help you with class organisation, possession arguments, sequencing skills and colour identification.22cm .