The Yonex Aeroclub 07 shuttlecock is made from duck feather delivering excellent quality & and construction delivering durability & consistency in flight. Priced competitively, the Aeroclub 07 provides players all they need for a reliable game. Yonex Feather Shuttlecocks are meticulously engineered for distance stability under widely varying environmental conditions of play. Careful attention to the selection of materials & in manufacture ensures outstanding durability under the tremendous shocks shuttlecocks receive at impact with today's high-power, high-speed rackets. Their outstanding durability means that Yonex feather shuttlecocks need less frequent replacement than conventional shuttlecocks.