Good quality. Lots of options. Paw prints - very comfortable, soft silicone. The ones with circles are a bit firmer, with small grip points. The black ones are the thickest and quite hard. Transparencies are still thick and hard, but less so. I would say about the environment of both. And paw prints are the thinnest and most flexible. All types fit nicely on an Xbox One controller, although they will dangle a bit if your joystick is fully bare. They don't fall off, they just twist a little when you use them. Pawprints move the easiest, although they don't move enough to affect gameplay. I have a friend who tested the fit on a PS4 controller. Tried black and transparent. They are stuck, without moving.