8 inches by 8 inches Square Wood Framed Lambis Spider Conch Shell Wall Decor.  This framed spider conch shell has a 3/4 inch wood frame and tan burlap textured backdrop and features a 4-1/2 inches to 5-1/2 inches real lambis spider conch. Spider conch shells are neutral in color and small enough to be an excellent accent piece for a beach themed bathroom, office or den.