Self-watering microgreen grow trays for growing small quantities of microgreens on any countertop or windowsill, without the worry of constant water-supply monitoring. Self-Watering Growing Trays (Small) 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 at the perfect moisture level for trouble-free growing. Each growing tray measures 5.5 inches x 4 inches x 2 inches deep, holding your chosen growing medium. The growing tray nests directly into the water reservoir tray, providing enough water to grow a full tray of microgreens in most conditions without refilling. Reusable. Use with either Hydroponic or Soil grow medium. Perfect for microgreens, wheatgrass, and cat grass. INCLUDES: Clear, reusable microgreen-growing tray with a water reservoir and wicking system. Each grow tray measures 5.5 inches x 4 inches x 2 inches deep and is 100% BPA-free. SIMPLE SELF-WATERING SYSTEM: Just add your Hydroponic or Soil growing medium, water, and seeds. Most microgreens and wheatgrass seeds will grow to their edible stage with 0-2 refills. This means no need for 1-3 daily waterings and greener, fresher results. MULTI-PURPOSE: Perfect for growing microgreens right on your kitchen countertop. Grow batches for specific recipes, salads, and garnishes. Also, an ideal container for cultivating wheatgrass and cat grass seeds for your feline companions. NO FUSS - MINIMAL MESS: Because these trays are self-watering, you can grow microgreens in soil and with minimal risk of over- or under-watering. US CUSTOMER SERVICE: Our Handy Pantry customer service and workforce is proudly based in the US, along with our microgreens growing trays, plastic plant trays, and plant trays for indoors being 100% BPA-free. Looking for replacement wicks? Find them here.