UPGRADTED VERSION: There are 3 sizes available for almost fitting different types of L shape couchs in Australia . Kindly follow the measuring guide in selling page. Reversible style determined fit both left and right chaise sectional sofas. Medium size best fits couch back width (including sofa and chaise): 208cm, the main sofa seat width: 132cm and chaise sofa width: 92cm Large size best fits couch back width (including sofa and chaise): 259cm, the main sofa seat width: 183cm and chaise sofa width: 92cm X-Large size best fits couch back width (including sofa and chaise): 284cm, the main sofa seat width: 209cm and chaise sofa width: 92cm DOUBLE NON SLIP: There are two sturdy elastic straps on right and left side of the back. Both exceptional crafts help the slipcovers stay in place firmly. Hassel free from any adjustment job again, just enjoy spare time with your sweet kids and pets PERFECT PROTECTOR: Feature with water repellent, our durable couch slipcovers are meticulously constructed to withstand tears made by your car keys, coffee stains, and even overenergetic (and destructive) kids and pets. Save your high-quality furniture pieces without requiring pricey reupholstery. Couch covers can restore it beautifully and inexpensively PERFECT PROTECTOR: Feature with water repellent, our durable couch slipcovers are meticulously constructed to withstand tears made by your car keys, coffee stains, and even overenergetic (and destructive) kids and pets. Save your high-quality furniture pieces without requiring pricey reupholstery. Couch covers can restore it beautifully and inexpensively