The Coco Depot GroMat - 4 ft. x 8 ft. x 1/4 in. Coco Grow Mat - Pack of 100The Coco Depot GroMats help retain moisture and nutrients while providing proficient aeration for your roots. The thickness of these mats protect roots from sunlight and promotes root growth. The Coco Depot GroMats are made of all natural latex sprayed on coco fibers and rolled into mats. The mats heat compressed to ensure compactness and consistent finish. Latex is required to bind the fibers together and is an essential ingredient. Our mats are