When you want to be bigger, harder, and last longer, the Mr. Big Cock Ring & Ball Stretcher is the perfect choice to deliver big time results. Push your package out to its maximum potential and enjoy a super-tight tug on your balls while you stay stiffer and thicker than ever before. The ball stretcher pulls down on your testicles and prevents them from retracting upward, delaying ejaculation and prolonging the fun. Your bulging balls will swing between your legs and feel amazing, while the stretchy ring clamps down to give you that extra edge. Silicone.