Part ball stretcher and part ball weight, the Bull Bag is two scrotum toys in one! Simply stretch the opening on the top of the Bull Bag and gently release over your entire scrotum and you're ready to go. The Bull Bag gives an incredibly pleasing .75" stretch and tug for that extra overload hanging right between your legs. The Bull Bag also works for giving your package that extra-large bulge under your favorite pair of jeans. Made of PR Blend which is a perfect mix of Silicone and TPR that gives it an unbelievable stretch factor. Safe with water based lubes. From Perfect Fit.