Built for precision and to offer superior flight performance, the Yonex Mavis 350 green cap nylon shuttlecock is a winning product. It is designed to deliver three types of speed ranges: slow, fast and medium. This gives you the opportunity to serve at these paces. That allows you to develop your game at a speed most comfortable to you.Great Quality:It can be used for daily practice sessions or competition. It improves accuracy, balance and reliability for a better game. Its rich yellow colour illuminates its flight making it easy to hit. This makes for better play and builds up confidence. This Yonex Mavis 350 will go the distance while providing accuracy, speed and sustained performance allowing you to hit fast and consistent shots. It stands up to the weather challenge and will not break or warp under extreme temperatures of cold or hot. It is the most cost effective shuttlecock within its category of high standard shuttlecocks.