SOLID BRASS PLATED: Durable construction, solid brass bounce cores have good bounce and bounce resistance, seal and drain water quickly with just one press. EASY TO INSTALL: Basin waste with standard G 1 ¼ BSPP connection, very easy to install. Perfect design and match most bathroom sinks. DOUBLE SEALING WASHER: Selected high-quality silicone material, soft, long aging, anti-dry crack and superior sealing performance, to avoid annoying water leakage. FLOW HOLE DESIGN: Prevent overfilling, a good household helper for you.