These are new official and Aerosensor shuttlecocks, mainly used in ladies' clubs. They have been maintained and repaired, so I think they can still be used. Please refer to the reviews and photos from past repeat customers. I have divided them into sets ① to ③! For bulk purchases, you can get a 5000 yen discount per 10 dozen + knock-around shuttlecocks ✨. Please feel free to ask in the question box. *If you purchase all of ①②③ together, it will be 75,000 yen. Set ③ 【Aerosensor 700】 A/AB rank x 4 dozen B rank x 4 dozen C rank x 2 dozen Total 10 dozen * 120+ pieces