Make of Zincs alloy materials,and the hinge is strong,Enduring,and easy to cleans. Tightening toilet lid hinge connecting the toilet base and lid tightly,stable. Small in size and light in weight and do not occupy too much installation space. Suitable for most types of toilets,such as wood,resins,metal materials. Toilet top cover lid Seats fixings is very suitable for use in bathrooms,hotel,public place.