An expansion pack for the revolutionary Boner Kit. The pack includes two loose ball stretchers they can be use with or without the Kit. The both rings are made of extremely stretchable TPR material for easy apply and firmly hold.

You can stretch your balls up to 5.2 cm in connection with the Boner Kit.

Ball Rings:
Inner diameter: min. 2 cm
Profil/Width: 1.3 cm