PREMIUM MATERIALS: The badminton shuttlecock made with first-grade 16 count goose feathers. Feather length is at 64-70mm. Composite cork head allows shuttlecock to get a better feel for hit. The choice of premium materials contributes to the shuttlecock's longevity and consistent performance over time. OPTIMIZED SHAPE: The full-circle shape of the shuttlecock is carefully engineered to maximize stability and flight control. This design minimizes air resistance and promotes accurate trajectory, offering good strength, enhances the badminton resistance. Lightweight to provide smooth and even flight. DURABILITY, STABILITY AND CONSISTENCY: Premium goose feathers and sturdy construction provide continuous play, allowing the ball to be used for a long time. Comes with a Triple cork that provides consistent bounce and a stable flight path. PACKAGE: Airchy badminton shuttlecocks are packed in a great tube, which provides great protection to the shuttlecocks. CUSTOMER SATISFACTION: A generous 90-day warranty and responsive customer service. The brand's customer service team is available to address concerns and facilitate hassle-free returns or exchanges, ensuring a positive experience for every customer. 1