Coir Verde 24" Coco Tree Rings - Weed Control, Plant Cover, Mulch Mat, Retains Moisture, Better Aeration 100% natural and eco-friendly weed control tree rings, made of half-inch thick woven sustainable coconut coir fibers. More effective than loose mulch at protecting plants from weeds, also great as plant cover against frost. Coco tree rings twice thicker than regular coco tree rings with a smooth finish Coco coir tree rings are permeable, letting water, air and nutrients through. Ideal choice to decorate your garden and bring nature to your home Lightweight and slip easily around trees or smaller plants. Better aeration, retains moisture and release to plants Easy to work with, to customize and enlarge center, just trim with a scissor.