... soft close gently without any noise 1,Material ABS Engineering Plastic, High Quality Silicone, EPDM, POM, Durable2,DesignMore Patented New ... & D Experience5,FacilitiesModern Facilities for Manufacturing & Quality Assurance6,MouldProfessional Open Mould for Customers With Competitive Cost7,Life Test100,000 Times Life ... ,CSC,UPC,CSA,CE,SASO, NF, AS, WRAS, CE, NOM Mould Plastic Toilet Seat Cover Hinges