Part ball stretcher and part ball weight, the Bull Bag is two scrotum toys in one. Stretch the opening on the top and gently release over your entire scrotum. Gives an incredibly pleasing 0.75 in. 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 PFBlend, a proprietary blend of Silicone and TPR, to provide superior stretch, comfort and durability. Safe with water-based lubes, but is not compatible with latex products.