Yonex Mavis 300 Badminton Cork base Shuttlecocks This Yonex Nylon Cork Base Shuttlecock closely approximates the flight trajectory, fast recovery and the “peak & drop & spin†effect of a feather shuttlecock but with four or five times the durability. Whether you use Mavis 300 for practise or matches you will discover that this shuttlecock is precision designed and manufactured for an accurate flight performance, whilst being the most cost effective choice for your game. Yellow has exactly the same high specifications as M 300 White.,Yonex Mavis 300 Badminton Cork base Shuttlecocks This Yonex Nylon Cork Base Shuttlecock closely