Printed wood toilet seat covers Lid: 427(16.8")¡á356(14")¡á15¡à2mm Ring: 430(16.9")¡á372(14.7")¡á15¡à2mm Ring inner: 280(11")¡á226(8.9")¡à2mm Hinge : zinc alloy Item size: 18 inch Feacture: 1.High quality solid wood bathroom seat cover with zinc alloy hinge 2.Size about 17inch -18inch 3.Come in various drawing, luxury marble feel 4.Ergonomic design 5.Easy to be installation