YONEX AS-9 Feather Badminton Shuttlecocks Durable Stable Flight Competition Training Selected Goose Feathers Tube of 12 Speed 2

Attractive appearance and comfortable feel

Pre-use steaming significantly improves durability

Durable composite cork head with good elasticity and impact resistance

Evenly applied formula glue prevents feather breakage

16 neatly arranged feathers with anti-wear sheepskin membrane stabilizing the cork head

Steaming the shuttlecocks greatly enhances durability; do not steam for too long (stop when moisture appears inside the tube) to avoid damaging the cork head

Avoid steaming in warm and humid seasons to prevent shuttlecocks from becoming too heavy and flying too fast

Steaming is currently the most effective method to improve shuttlecock durability; please ensure safety during the process