Bullballs 2 Silicone Ballstretcher Silicone Smoosh Black from Oxballs. Ballstretcher is made from body safe, phthalate free.pure silicone. Made in USA. Pure Platinum Cure Silicone. Lube safe water base, oil base, water,silicone hybrid, silicone lubes. Cleaning detergent and hot water, dishwasher, or soak in bleach water solution. Stats approximately inside diameter 1.25 inches. Height 2.5 inches. Outside diameter 2 inches. Weight 2.9 ounces.