Medium Tyv -- Medium silicone -- T-5535 Soft Firmness Circumference of the shaft: 4

Circumference of the shaft: 4 inches

These are open enough to be easy to clean

The balls of the base are very sturdy and allow it to stand on its own

The Cow Spots upgrade is not compatible with the following toys and cannot be added to them: Xymon

Medium Tyv -- Medium silicone -- T-5535 Soft Firmness Circumference of the shaft: 4**Before buying, please familiarize yourself with our Store Policies and Shipping Policies. For information on silicone firmnesses, please visit the Our Silicone page.** Medium Tyv Firmness: Medium (0050) Color: pink, purple, pearl white Approximate Measurements: Total length: 7. 25 inches Useable length: 6 inches Diameter of the head: 1. 3 inches Circumference of the head: 4. 5 inches Widest shaft diameter: 2 inches Circumference of the shaft: 6. 25