Outdoor Essentials Faux Skimmer Rock, Grey, Small Natural-looking rock conceals low-height landscaping problems such as wires, pond skimmers and septic lids Economical-less expensive and easier to install than a real boulder; easy to relocate; Material is drillable so you can insert a hose or wires Hand-painted so every rock is different, just like in nature; blends well with landscaping HORIZONTAL INTERIOR MEASUREMENTS: Top: 21" (W); Center: 22" (W) x 3.75" (H) on left, 2.75" (H) on right; Bottom: 17.25" (W) VERTICAL INT MEASUREMENTS: Left: 18" (L) x 2" (H) at top; Center: 18.75" (L) x 3.75" (H) at top, 3" (H) at bottom