You will get 1 pair (2 pieces) of these Nose Pads / Nosepads. This is the Screw-In type, Will fit most of the screw-in Nose Pads Mount. Please note CARTIER frames have many different models, please note your nose pads socket type, this is for the Screw-In type. 1. It's made of Medical grade soft silicone, very comfortable. 2. Screws will be provided (Please note, screws are generic screws in Silver color) 3. Overall Length is about 15 mm, Width 7mm. Different sizes of Cartier Nose Pads are interchangeable as long as they are all "Screw-In" type of nose pads. Please check whether your frame nose pad holder is the same shape. These are easy to install with just a small screw driver!