Goose Feather Badminton Shuttlecocks Balls with Great Stability ; Durability, High Speed Badminton Balls for Indoor Outdoor Game Premium Badminton - Goose feather badminton shuttlecocks equipped with 16 pieces of fine goose feathers, light for a smooth and even flight. Durability - Premium spring and sturdy structure provide continuous play and make the ball last for a long time. Stability - Comes with a double cork made of composite material that provides a smooth jump and a steady trajectory. Use - Suitable for entertainment, training and fitness, especially for coaches, amateurs and beginners. Package - 12 badminton shuttlecocks are packed in a great tube, which the shuttlecocks are well protected on their shipping route. color: White Size: 6.5cm in diameter Delivery Quantity: 12 Pieces