The recessed soap dish and tumbler holder is fabricated from type 304 series stainless steel with a bright polished finish. The dimensions of the shell is 6-1/4" x 6-1/4" with a required wall opening of 5-1/4" x 5-1/4" x 2". Recessed units can be mounted using either a dry wall clamp, or tile-type lugs, purchased separately. This unit ships with the plastic tray insert.