The firmness is firm, and the quality is the second best among my current listings. It came off... It's yellowing... "But it's a hassle to go to the optician for such a small part!" For those people, here you go! Having a pair of fine-tipped tweezers on hand will make the replacement process smoother. Materials: Hard plastic material, aluminum alloy Size: Approximately 14*7*2mm (excluding protrusions) Fixing part: Approximately 3*2*2mm Screw hole diameter: Approximately 1.2mm -------------------- Nose pads, repair, eyeglasses, glasses Sunglasses, DIY, nose rest #NosePadPonzSelect