What is this?The Tree mulch ring is used to prevent weeds from absorbing nutrients from trees and lawn mowers from damaging tree roots. Protect the growth of treesWhat will I get?Tree mulch Ring,is in size of : Outer Dia: 270mm/10.63"; Inner Dia: 40mm / 1.57" Material: nonwovenIn the package of: 20 Pack x Tree mulch ringIs Are there any advantages of the product?Made of nonwoven fabrics, it has the advantages of being moisture-proof, breathable and durable, and maintains the moisture and temperature of the soil.How to use it?Select the tree you want to cover, cut it along one side, and slip it into the tree.What should I notice?Please select the Tree mulch ring of appropriate size for your plants.