This aluminum medicine cabinet is rustproof, sturdy, and lighter than steel, making installation easier! It is made with tempered glass shelves that provide great organization of your bath needs. This is a great piece for your bathroom or your vanity to add style and functionality! Surface Mount or Recess Installation. Plate glass mirrors on cabinet doors, both front and back. Interior cabinet has 3 adjustable tempered glass shelves and mirrored back wall. 2 Soft closing hinges. No plastic or MDF-- all precisely made metal and glass parts! Professional installation recommended. USA/Woman Owned and Operated, Free & Fast Shipping. Product Dimensions: 24" L x 4.76" D x 30" H. Rough Wall Opening Size - 23-1/8" W x 29-1/8" H x 3-7/8" D.