Pack of 10 - Fits 20" x 10" growing trays - Biodegradable - Fully compostable * Perfect for Hydroponic growing - Produced from sustainably harvested wood - Made with wood fibers * Ideal for: microgreens, micro herbs, pea shoots, wheatgrass, barley grass, & more * Certified Organic - Free from plastic and synthetic fibers - Pathogen-free * High water holding capacity