Ships From HongKong. 12PCS white feather shuttlecocks badminton.This feather shuttlecocks combine useful value and recreational value into a single unit. Enables fast volleys and ensures flight consistency. The shuttlecocks are meticulously engineered for accurate trajectory under widely varying conditions of temperature and humidity. Badminton have good stability and toughness. It is suitable for competitions, training, games. The length of feathers is about 62-70mm The caliber of feathers is about 58-68mm Material: duck feather, cork 1 dozen per package, 12 piece per dozen Good stability and toughness(Consistent flight)