Makes the Yonex Mavis series the most cost effective choice for practice sessions.Color of tube Cap: RandomProper Speed: Middle.Box contents: Tube of 6 shuttlecocks.Recovery Time: When smashed, a MAVIS shuttlecock recovers in only 0.02 seconds.This performance is just 0.005 seconds slower than a YONEX Feather shuttlecock and 0.008 seconds faster than the recovery of an ordinary shuttlecock.Playing Conditions: Players should always use the shuttlecocks best suited to the playing environment.