Self-watering microgreen grow trays for growing small quantities of microgreens on any countertop or windowsill, without the worry of constant water-supply monitoring. Each tray combo consists of a growing tray and a water reservoir tray with a wicking system that keeps the grow medium in the growing tray (not included) at the perfect moisture level for trouble-free growing. Self-Watering Microgreens Growing Trays - Reusable Each growing tray measures 7" by 5.25" with a depth of 1.25" to hold your chosen growing medium. The growing tray nests directly into the water reservoir tray, which holds up to 2 cups of water, enough to grow a full tray of microgreens in most conditions without refilling. Reusable. Use with either Hydroponic or Soil grow medium. Perfect for microgreens and wheatgrass. Self-Watering Growing Tray - Growing Tray with Water Reservoir & Wicking System Reusable - Clear Plastic - 2 Cup water reservoir capacity Each Grow Tray Measures: 7 Inches x 5.25 Inches - 1.25 Inches Deep Perfect for Growing Microgreens and Wheatgrass Use with Hydroponic or Soil grow medium The self-watering trays are BPA-free and food-safe. Looking for replacement wicks? Find them here.