ABBOTT Cast Stone Mantle can be used Indoor or Outdoors.  There are several FInish options avail.  Custom Sizing is NOT avail.  The Firebox Opening Dimensions are 48"w x 46"h.  Abbott ships in 3 Pieces and is Crated.  You will need a reciever to order this item (fees not included in the price listed).  Allow 8-10 Weeks for Delivery.