Back on Track Therapeutic Dog Mesh Rug, 21cm Back Length The Back on Track Mesh Dog Rug is Lined with Back on Track's Ceramic Infused Fabric The Light Mesh Rug Conforms to Your Dogs Shape Better Than Rugs Made from Stiffer Materials, Providing a Superior Fit and Added Comfort The Reduced Weight and Added Comfort Means That Even Dogs Who Don't Like Wearing a Rug Will Generally Prefer the Back on Track Mesh Dog Rug The Back on Track Mesh Dog Rug May Be Worn Under Other Rugs The Back on Track Mesh Dog Rug is Thin and Airy and Works Well During Exercise Sessions or Following Rainy Weather to Help Speed the Drying Process