Size matters not, but having a few different options can make it easier. With the Doc Johnson 3 C-Ring kit, you'll be able to swap on different sizes, increase the number of rings you're sporting and just have fun with your set. Besides, who can't use some accessorizing, even in the bedroom? This is more than enough for you to take advantage of and have a great time.
•3 C-Ring Set •Sizes: 40mm, 45mm, 50mm Diameters •Soft, Stretchable Silicone •Phthalate-free