The rhodium-coated front surface Riofoto 1 Wide Buccal Intraoral Photography Mirror offers clear, sharp images - up to 10% higher reflectivity than chrome or polished metal mirrors. Thick 1/8" glass coated on both sides provides extra-long life. Fully autoclavable up to 350 degree F. Cold disinfection not recommended. Made in USA. Measures 6 1/8"L x 1 5/8"W.