Professional-grade badminton shuttlecocks designed for indoor competition and training. Made with premium duck feathers for consistent flight and durability. Tightly woven cork base ensures optimal impact resistance and rebound. Precision-balanced construction enhances accuracy for advanced players. Ideal for tournament play, club matches, and intensive training sessions. Available in multiple speed grades (G600/C50/C80/C90) to match different skill levels. Official Li Ning product with strict quality control standards. Bulk purchase options available for teams and sports facilities.