Anderson Teak 18" Square Planter BoxSealed Teak Planter for Patios, Gardens & Entryways The Anderson Teak 18 Inch Planter Square Box is the smaller member of Anderson Teak's sealed finish square planter series a solid teak planter treated with waterbase sealer that slows weathering and preserves honey brown color longer than unfinished alternatives. The 18 inch footprint (18 inch width by 18 inch depth by 19 inch height) positions this planter for accent garden placement with smaller