You gain two more square donuts with this expansion pack. Try buying a different color to create your own custom look. One expansion pack plus the original Boner Kit will give you four square donuts total.
- Material: Super stretchable yet firm TPR
- Dimensions:
Ball Ring Exterior: 1.3 by 1.3 in. (3.3 x 3.3 cm)
Ball Ring Interior: .9 by .9 in. (2.3 x 2.3 cm)
The boner kit is not included.