Check the listing for details. FirstString Premium String Set Green/Brown Mathews VXR 31.5. Color: Green/Brown, Condition: New with tags. Listed at 115.88 USD. The FirstString Premium String Set is engineered for archers who demand consistency and reliability. Crafted with Formula X material in a distinctive Green and Antler Brown variegated color scheme, this set is pre-stressed and built “ready to shoot,” minimizing downtime and maximizing precision. With guaranteed no peep rotation, no serving separation, and zero creep or stretch, it delivers exceptional performance right out of the package for a dependable and accurate shot every time. Pre-stressed for faster shoot-in time No peep rotation guaranteed No serving separation guaranteed No creep or stretch Constructed with Formula X string material Performance-focused “ready to shoot” configuration