EACH NATURAL SLATE COASTER INCLUDES FEET TO PROTECT FURNITURE. DUE TO THE ITEM MATERIAL NATURAL VARIATIONS MAY OCCUR FROM PIECE TO PIECE. BOTH SINGLE COASTERS (#1651) AND SETS OF 4 (#1654) ARE PACKAGED IN ONYX PRESENTATION BOXES. ROUND VERSION AVAILABLE AS WELL: #1661 SINGLE & #1664 SET. 4" L X 4" W X 3/16" W