Dekorra Products Boulder Rock, 31-Inch by 26-Inch by 21-Inch, Riverbed Brown (101-RB) Overall Dimensions: 21"H x 26"W x 31"D Designed to look like real stone and add to your landscaping Designed to conceal well and septic pipes; Common uses: Well - 8" Diameter up to 18"H Pump - 12"H x 20"L x 12"W Keep in mind, colors will vary a bit from one rock to the next. UV protected will not fade in the sun or crack in cold weather