Agfabric 8ft Long, 9-Pack, Heavy-duty Double Hoops For Row Cover, Hoop House Support, Plant Cover &Frost Blanket For Season Extension Support fiberglass heavy duty garden hoops for row covers support, which can protect plants from insects, frost, etc. 5/16",8ft,Pack of 9, 4pcs of strong connectors per pack, so totally 18pcs of hoop and 36pcs of connectors per set 1pc of 8ft long hoop is jointed by 2pcs of 4ft long hoops and 1pc of ferrule durable garden hoops is much stronger than general flimsy iron hoops Use hoops to support garden row covers, plant covers, protecting plants from frost, insects, birds, or intense sun