The Allen Bowstring Wax is specifically formulated for synthetic bowstrings providing essential protection and maintenance for modern archery equipment.Allen Bowstring Wax for synthetic stringsPrevents string fraying and extends bowstring lifeProtects against dust dirt and moisture damageCompact size: 1.45 x 3.30 x 6.10 inchesEssential bow maintenance accessoryPerfect for archers using synthetic bowstrings who want to maintain optimal performance and extend the life of their equipment through proper string care and protection.