Biostrate Hydroponic Growing Mats - 1 Roll - 9" by 120' - For Hydroponic Grow Systems - Sure Biodegradable Felt Pads to Grow Microgreens, Wheatgrfass, Baby Salad Greens 1 Roll - 9 Inches Wide by 120 Feet Long - For Hydroponic Growing Systems Perfect medium for roots - pH balanced - Biodegradable No required additional treatment - Clean and easy to use - Light material Ideal hydroponic medium for microgreens, wheatgrass, microherbs & more Holds the optimal amount of water