Understanding nose pads:
Mounts: "Push-On" the nosepad mount is pushed into a box part of the frame. "Screw-On" the nosepad mount is pushed into a box part of the frame then a small screw is inserted. "Slide-On" used primarily in Rimless Frames the nosepad is slide into a bent wire portion of the frame.
Materials: "Silicon" soft to the skin most often the mount is poly carbonate a type of performance plastic, note silicon while soft does absorb skin oils and can darken over time.
"Poly-Carbonate" we offer two versions a rigid and a semi-firm
Every nosepad listed in this store has detailed descriptions attached to it's listing.