Yonex Mavis 350 Green Cap Nylon Shuttlecock (Yellow)Pack of 6 shuttles Material: Nylon 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 Yonex manages product quality by categorising Mavis into 3 temperatures, please ensure that you choose the shuttlecock best suited to the playing environment Green cap Slow speed 22C to 33C