KINK3D Cobra® chastity cages are produced in the US with some of the most advanced 3D-printing technologies on the planet. Cobra cages feature a patented geometry optimized for lightness, durability, and comfort. We focus relentlessly on design, so you can focus on staying locked for longer. Included Cobra R+ Cage (Learn more) Base Ring (Learn more) Lock & 2 keys Sizing The Cobra R+ cage is suggested for a flaccid length of 5-5.5" (12.5-14 cm). The Cobra R+ cage also comes in two different versions: Standard and Wide. We find the Standard works well for most people — but if you need some extra room, then the Wide may be just right for you! Need help finding your size? Please review our size guides for Cobra cages and base rings, or email us for personalized advice. Related Items KINK3D base rings can be purchased individually here. And don't forget accessories, including the Airlock to go completely metal free or a randomized lock for more security!