Counter Display 4 Tier for Books, Bookmarks, DVDs and Cards Dimensions: 12W x 13-3/4H x 10-1/8D Each tier on this rack is 11-3/8" wide and 1-3/8" deep. The step from row to row is 3". With a 5" high back on the shelves, this is perfect for tall products like bookmarks. It is also perfect for displaying 8 facings of 5 x 7 cards and perfectly fits two DVDs or CDs wide. Ships flat and requires easy assembly.