Compact portable and hands free pick out up with the launcher for these balls (no slobber!). That is the most efficient toy!!!! Chuckit! LargeULTRA BALL Dog Toy Fits Mega LauncherDesigned for essentially the most demanding use That is no bizarre ball. Simply put That is the most efficient ball for the sport of fetch. The Chuckit! Ultra Ball promises to outplay the bizarre! It bounces upper flies farther and floats upper than so much other balls. Use Large Ultra Balls with the Chuckit! Mega Ball Launchers.Floats High bounce Simple to wash..