plastic seat 1.Birght and clean appeatance ,good plasticity 2.High intensity ,corrosion resistance ,high resistance ,can be used for a long time . 3.Molds shaped one-time good leakproofness,and environmental , 4.Surface can be pasted public service annouancment or products' advtisment 5.With various colors to meet customer's requirment the aremest and advtisment are opiontal parts.