Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.This product has a sufficient length of use . And all hairs have similar thicknesses. 4.Everything is for the sake of the customer. For the convenience of the buyers, One end is ready for installation. 5.Wide use of applications. It is suitable for most sizes of violinNote: due to hand weaving, may be error in weight, a package of about 4 to 5 bundles of horse hairSpecifications:Material:Horse hairColor:Unbleached WhiteSize:Length :About 83CM/3 2.68 InchWeight:62gPackage include:Violin Bow Hair Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.