Easy Gardener Dual Color Tree Rings give you the same long lasting weed control around trees as original tree rings, but with the added benefit of a reversible, two color design. Made from 100% recycled rubber, Dual Color Tree Rings look like hardwood mulch and are manufactured with one side brown and the other red. Once you get home with the ring, choose which color would look best for your landscape. A unique manufacturing process allows water and nutrients to pass through to plant roots while forming a barrier against weeds. The tree rings are pre-cut for easy installation.