10 sets of Yonex BG66 Ultimax SP strings Light Green: 5 sets, Purple: 5 sets, Total: 10 sets. Core: High-strength nylon, multifilament. Outer: High polymer nylon, braided. Length: 10m Thickness: 0.65mm Made in Japan. This product is the SP series, not the JP series. The SP series is distributed in Southeast Asia. The packaging material is plastic, not cardboard. There is no particular difference in quality. The product may differ from the photo due to new packaging being used, but the contents are the same. No individual sales. Returns are not accepted. Please do not purchase if you are concerned about minor details. Yonex BG66 Ultimax SP strings YONEX BG66 Ultimax SP strings YONEX BG66UM Badminton String BG66 Ultimax UM SP Badminton String YONEX Badminton String Lee Chong Wei Lin Dan Kento Momota Kento Momota Viktor Axelsen Kevin Sanjaya Sukamuljo Marcus Fernaldi Gideon Mohammad Ahsan Hendra Setiawan YONEX Badminton String Gutt (String) Gen (String) Sutoringu (String) Badminton Yonex Sutoringu (String) Nanofurea (Nanoray) Nanosupiido (Nanospeed) Borutorikku (Voltric) Riiningu (Li Ning) Bikuta (Victor) Yonex Apacs Maxx