Bloem 20-53418 Fiskars 18 Inch TerraBox Tray, Thyme Green, 18-Inch Length of tray is 16.85 inch, fits Fiskars 18 Inch TerraBox Planter Deck and Patio Collection, perfect for herb gardens or window displays All-weather resin durability with UV protection Textured finish looks like natural clay Product Dimensions: 16.85 x 5.39 x 1.04