If you are looking for durable Erhu tuning cords, I can tell you that our products will be your . Use waxed thread materials, can use it for a long time. Although the design is simple, very practical to use. Features - ColorBrown - Material: Waxed thread - Size: About 10.80X6.70X6.70cm/4.24X2.63X2.63in - , sturdy and stable structure. Easy to carry and use because very light and can be carried anywhere. - Modern design, make a great decoration, great beginner, amateur and band player. - Well-made of premium and sturdy materials, safe and practical for using time. - It can meet your professional needs and make your daily practice and performance more convenient. - Although this product has a simple design, it is very practical to use and can improve string vibration. Package list: 1 x Roll of Erhu Qianjin String