Soft Close Household Style Seat & Cover - WhiteFeatures:Toilet seat and lid close slowly to prevent hard slammingSpecial stopper locks seat in place to prevent seat from sliding and potentially breaking hingesFits all Raritan manual and electric toilets, except Atlantes elongated modelsFits most other brands of marine compact and household style bowlsSeat and lid made of high-density fiberboard (HDF) with durable plastic hingesSupplied with corrosion-resistant stainless steel fastenersFits most household size bowls - 14" W x 15-7/16" D