Just fling it and it whistles, the Whistlin Diskie is the ultimate in interactive exercise and fun. Aerodynamic design for long air hang time. 8 1/2 diameter. Comes in assorted colors. Shrieks with every spinning motion. Hard plastic with softer rubber edging for catching. Your dog will be fascinated by the sound. Availability: Usually ships the next business day. 075726593006$8.99     Get The FREE Dog Bytes newsletter. Name: Email: