undermount bathroom sink for 21 inch cabinet

{"cid":"91194369","title":"Sound Reduction Bathroom Sink Heavy Duty 16 Gauge SUS304 Material","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c2\/17\/5d42c02e723cb1743e612a390599-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"FuRongDa","Model Number":"SA2116","Minimum Order Quantity":"20 pcs","Delivery Time":"15-20 days","Place of Origin":"China","Payment Terms":"T\/T, MoneyGram, D\/A, L\/C, D\/P, Western Union","Supply Ability":"25000 pcs\/ per Month","Packaging Details":"BOX PACKAGE OR PALLET","Material":"Stainless Steel","Feature":"Without Faucet","Surface Treatment":"Brushed","Sink Style":"Single Bowl","External Size":"21-5\/8''x16''x4-1\/2''","Internal Size":"17-3\/4''x 11-3\/4''","Thickness":"14G\/16G\/18G","Color":"Sliver","Usage":"Bathroom Sink","Packing":"Carton Box\/Pallet"}}