BG65 Yonex BG65 badminton string is the most popular and durable string. The 0.70mm and special braided fiber reduces string abrasion providing extreme durability. Its all-around performance is highly trusted by world\’s top players. PRODUCT DESCRIPTION Color: Orange Gauge: 0.70 mm Length: 10 m (33 ft) / 200 m (656 ft) / 500 m (1,640 ft) Core: High Polymer Nylon Multifilament Outer: Special Braided High Polymer Nylon Fiber Made in Japan