BCY B55 Bowstring. 100% polyester similar to Dacron but with better durability and very low stretch. Primarily used for recurves, but also used on older compound crossbows and traditional bows without reinforced limb tips. Comes in one 1/4 pound spool. Choose from Black Black Cherry, Buckskin Cedar, Dark Brown, Electric Blue, Electric Red, Fluorescent Green, Fluorescent Orange, Fluorescent Purple, Fluorescent Yellow, Gold, Green, Gunmetal, Kiwi, Light Blue, Light Pink, Metallic Bronze, Mountain Berry, OD Green, Pink, Purple, Red, Root Beer, Royal Blue, Seafoam, Silver, Sunset Orange, Sand, Tan Teal, White, or Yellow.