The YONEX Aerosensa 2 AS2 Feather Shuttle Cock is one of the top model shuttles of the Aerosensa series from Yonex. It is made with a natural cork base and high-quality duck feathers. The shuttle guarantees accurate flight stability. With superior quality, second to none, the Aerosensa 2 AS2 feather shuttle will blow your mind. Its proven track record has shown a consistent and sustainable trajectory. It displays a recovery time that is very short in comparison with other professional feather shuttles. The Materials are intricately put together for maximum performance levels, height drops and smashes. This bird is made of 100% solid cork at the base and with high-quality real feathers for the cone. One of the advantages of the Yonex 2 AS2 Shuttlecock is that it won’t warp in high temperatures and does not break in low temperatures making this feather shuttlecock a desirable accessory for all kinds of weather conditions. For optimum performance on the court, unwavering stability, and trajectory with good speed, what more could be desired on the court? About Yonex: Yonex manufactures badminton racquets and other sports equipment. The company has been in business since 1968 and is known for its superior quality and attention to detail. How many shuttles are present in one box? One box contains 12 shuttles