yonex mavis 10 nylon shuttlecock (green) yonex color of tube cap: green<br>proper speed: slow<br>developed using the flight timing of feather shuttlecocks, mavis nylon shuttlecocks are precision designed and manufactured to provide accurate flight performance<br>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 0.08 seconds faster than the recovery of an ordinary shuttlecock