Rhino Plus 100G Turnout Duo plus 200G Liner Medium Size:5 Ft 6 Inch Cob Shark Net delivers both at Shark Net delivers both at the level required to insure that all essential nutrients for articular cartilage and synovial fluid production are in sufficient concentrations Unique rice and rice bran formulation pelleted to ensure optimum digestibility and minimise digestive upsets The Rhino Plus 100G Duo uses the unique Rhino barrier technology which has a 1000D polypropylene outer that protects the waterproof and breathable barrier layer underneath with 100g fill Polypropylene is a stronger and more lightweight alternative to the widely used polyester turnout material