These 5" x 5" gardening trays with holes are perfect for growing small amounts of wheatgrass or barleygrass. Made of sturdy 1/2 mm black plastic, these 2" deep trays can be used indoors or outdoors, hydroponically or soil based gardening. <br /> <br /> These small 5 inch by 5 inch reusable growing trays are great for smaller sprouting and growing jobs. Great for growing sprouts, microgreens, herbs, plants and more.