The right fit changes everything. Too loose and you lose the effect entirely. Too tight and you are thinking about discomfort instead of what you came here for. When the ring fits the way it is supposed to, you feel the difference almost immediately. Fuller, firmer, more sustained. That is the actual outcome you are after, and fit is what gets you there.These rings are sized in precise 0.1-inch increments, which means you are not guessing or hoping. You find your size, you know it works, and you stop thinking about the hardware and start thinking about everything else. The material is super strong but soft against your skin, with just enough stretch to get on and off without pulling or pinching. Each ring is stamped with its size so there is no confusion between sessions. You get two rings in the pack, and you can stack them if you want a different level of sensation. That flexibility matters.If you have been settling for a one-size ring that kind of works, this is the obvious upgrade. Two rings, exact sizing, no drama. Men who care about their experience invest in things that actually perform. This is one of them.Product DetailsWhat's Included: 2 Xact-Fit rings, both size #13Sizing System: 0.1-inch incremental sizingSize Stamped on Ring: Yes