So you've had the Original Manus Intruder and found, after time, your plaything needs, ahem, attended to with something a little bigger. The Master Series Cannonball Intruder Orb is your answer. Made to be bigger and lighter, this ball will give more of a filling sensation. Simply unscrew the original ball and replace it with the Cannonball. Stainless Steel is: Non-porous, Hygienic, Easy to sterilize, Temperature resistant, Impact resistant, and has a long term value. Measurements: Approximately 5.625 inches in circumference.