Flight stability : Nylon straight and thick, good strength, enhance the badminton resistance, test badminton rotation, to ensure that the badminton flight stability. Durability & stability : More Durable, Premium material and sturdy structure provide a continuously bounce and make the ball more durable to play. The same spacing : Nylon Shuttlecocks neatly arranged, angle uniformity, spacing is consistent, the use of more stable speed. Use for Practice or Tournaments : These feather shuttlecocks to play with at the club or at your next tournament. While they make a perfectly good choice for practicing your game, their excellent stability and ability to maintain their flight trajectory make them suitable for tournaments as well. Quicks Recovery : The recovery point is one of the important aspects for any pro-training shuttles. This decides the overall flight and performance of the shuttle hence the recovery point is optimized to the highest level to mimic feather shuttles.