Small Growing Tray Inserts With Drain Holes Refill Pack

These 4-inch x 4-inch reusable growing trays with drain holes are great for growing small amounts of microgreens. Eight of these trays nest perfectly inside a standard 10-inch x 20-inch growing tray. Made of sturdy 1/2 mm black plastic, these 2-inch deep trays can be reused with a thorough washing. 48 trays per package.