All sinks available in Left or Right orientation Metiral PVC Top and Stainless Steel Complete Waste Kit Included (Ceramic Belfast Sink Excluded) Satin finish (anti-scratch) Material: PVC + stainless steel How to install: 1. Put the PVC circle on the sink hole 2. Put the stainless steel case on the sink hole 3. Put another circle of PVC on the plastic case 4. Connect the plastic case with the stainless steel 5. Use the crew to link them tightly (the crew is included) 6. Put the filter What includes: Sink collection x 1 A 110/14mm in the diameter of the drain is suitable for B 83-o90mm in the sink opening The drain with 47.5 mm in the outer diameter of the thread fits the drain pipe of 45.2 mm in the inner diameter of the thread color: gray real stuff Double-layer design inside and outside, not easy to fall off, no water seepage Waterproof umbrella design Lift the steel ball to filter, press the steel ball to seal the water Stainless steel</ Featured O.5mmSUS304 thickened stainless steel Easy installation, no need to glue and wrap raw tape There is a soft washer on the upper and lower sides of the sink, use a coin to tighten the bolt screw