Construction Expertly crafted of steel, aluminum and glass with an Vintage Brass or Aged Bronze finish. Adjustable shelves are made of tempered glass. Sealed with a protective lacquer for moisture resistance. Fitted with beveled mirror. Small features 2 adjustable tempered-glass shelves; large has 3 adjustable shelves. Can be mounted to open left or right. Tempered glass is a safety glass that is manufactured through a process of extreme heating followed by rapid cooling, making it harder than normal glass and resistant to breakage. Contract Grade: Thoughtfully designed and expertly engineered to meet rigorous testing standards and best practices from select ANSI/BIFMA testing protocols. Imported. Care Dust with a soft, dry cloth. To protect finish, we do not recommend the use of household cleaners or abrasives. Standard glass cleaner can be used on mirror. Assembly Inset measurements are approximate; please measure cabinet carefully before installing or making any alterations to your walls. Professional installation recommended. VIEW ASSEMBLY INSTRUCTIONS