Our exclusive Italian Terrazza planters offer classic styling with self-watering convenience. In Italy, where style is everything, these innovative planters beautify residential terraces, side-street cafes, hotel lobbies and hotel courtyards. The compact yet hardworking Square Terrazza Planter is a customer favorite. For added mobility, add casters (sold separately), which come in sets of four. It takes one set of casters to support each square planter. Generous Capacity: You'll get extra soil capacity and deep reservoirs not found in American counterparts. This Square Planter holds 50 quarts of soil and 1-3/4 gallons of water Unmatched Quality: Rigid construction fends off scuffs and scratches, and they won't fade or bow in the strongest sun or under the heaviest load Self-Watering: Water only once or twice a week, thanks to a dual-action system that uses cotton wick and evaporation Timeless Design: Crisp lines and realistic wood grain, plus a choice of two classic finials, makes for a sharp, uniform appearance around your property Available in your choice of three colors: white, brown, green Square planter is 16-1/2" W x 16-1/2" L x 18-1/2" H Water reservoir capacity: 1-3/4 gallons Soil capacity: 50 quarts Assembly required Optional casters sold separately (1 set required per planter) Made of dense UV-stabilized polypropylene Gardener's Supply Exclusive