Black / White canvas dummies to be used with the Lucky Launcher II or the Retriev-R-Trainer Launcher. Dummies are available with or without a white and black "streamer". The streamer is used to create a better simulation of a falling bird if desired.Canvas dummies are made with heavy #10 canvas over foam with a weighted steel tube inserted. A plastic washer holds it all in place.Guaranteed for a period of one year from date of purchase against "blow-out" (outer cover separating from the inner tube)***NOTE - Not recommended for water training. For water training the Lucky Launcher / Retriev-R-Trainer plastic dummies are recommended.