Bullballs 1 Ballstretcher Silicone Smoosh Red by Oxballs. Bullballs-1 ballstretcher. It was the first and has been our most popular silicone ballstretcher. But the old the old molds made this in were not up to our current standards. Created all designs now in CAD programs, from their prototype on 3-D printers. Bullballs-1 changed ballstretching, we have so many fan letters from low hanging ball-boys raving about this one, we sell other designs, but this one still is the perfect balance of stretch, weight, material, size.and it looks hot. Industrial.and if you have huge nuts, we envy you and hate you, but we make a larger size called Bullballs-2 just for you lucky fellows. 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. Total length 2 inches. Total diameter 1 7/8 inches. Usable length 2 inches. Inside diameter 1 inch. Weight 2.2 ounces.