1. Made from 1600 ultra-high molecular weight polyethylene fiber with strong toughness. 2. Characterized by low stretch, strong tensile strength, wear resistance, and ultra-light weight. 3. Can be made into curved bowstrings, long bowstrings, and compound bowstrings. 4. 110m / 360.9ft total length, 45.5kg / 100.3lb (approx.) strength, 1% stretch. 5. With the bowstring material, you can create various types of bowstrings as needed. Item Type: Bowstring Material: Polyethylene Length: Approx. 110m / 360.9ft Diameter: Approx. 0.9mm / 0.04in Spool Height: Approx. 11.5cm / 4.53in Spool Base Width: Approx. 3.5cm / 1.38in Top Spool Width: Approx. 2cm / 0.79in 1 x Roll of Bowstring Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!