Each box of Habitat Wicking Grow Trays contains 12 wicking tray sets. Each stackable Wicking Grow Tray Set includes a leak-proof water reservoir tray, a nesting tray with drainage holes, wicks. and planting instructions. They're the perfect combination for easy planting and growing healthy plants with strong roots. Our long-lasting Trays are made in the USA from a rugged BPA-free polymer material that is UV resistant for years of repeated use. Habitat Wicking Grow Trays are ideal for growing microgreens, fresh salad greens, and other edibles. Habitat Wicking Grow Trays are perfectly sized for easy handling by young and senior gardeners. They can be used with or without an LED Habitat for growing indoor herbs, flowers, and houseplants or starting garden transplants. Habitat Planting Trays are also ideal for creating miniature landscapes, fairy gardens, and seasonal displays. NOTE: Price includes a $10 / box freight charge.