Integrally formed with nylon material, which are not likely to cause cracks, and can continue to hit even stretched or crumpled, without losing the original speed.Multiple colors: package comes with 3 pieces of badminton shuttlecocks in multiple colors, which can be applied for games and entertainment; Vibrant colored badminton will give you an exciting gaming experience, you can share them with families and friends This training badminton is lightweight and colorful, suitable for home entertainment, training and sports fitness, especially for coaches, amateurs, beginners, backyard play and great for teaching children how to play with funQuality material: made of high quality nylon, these badminton birdies are more durable than other feather badminton balls, sturdy structure provides a more continuous bounce than feather badminton balls, giving you a nice playing experienceFlying speed: the flying speed of plastic shuttlecock is very close to feather badminton, combining with good accuracy and stability, these shuttlecocks are nice sports accessories for both indoor and outdoor playing, suitable for both entertainment and trainingQuality material: made of quality plastic, these badminton birdies are more durable than other feather badminton balls, sturdy structure provides a more continuous bounce than feather badminton balls, giving you a nice playing experience