3 Pcs/set - Large Size: 3.66in * 1.61in( 162.6g); Med. Size: 3.23in * 1.26in( 83g); Small Size: 2.80in * 1.06in (50g) - Material: Aluminum Alloy & Crystal Jewelry - Easily Cleaning, Lubricate Oil Can be used before use, Heat Conduction & Cool fast