CoirPlus Premium Coco Grow Mat [OMRI Listed]: 2 ft x 2 ft x 1 in (2 Pieces); 100% Natural & Organic for Growing Microgreens, Wheatgrass, etc. DESIGNED TO LIE UNDER BASKETS, SLABS, CUBES, HYDROPONICS , MICROGREENS, SEED STARTERS AND CANNABIS EXCELLENT FOR ROOT GROWTH RETAINS MOISTURE PREVENT DRYING OF ROOTS EXCELLENT DRAINAGE