Material 304 Stainless Steel Technical Information Installation： Top-Mount(Drop-In) , Flush-Mount and Under-Mount Capacity: 53L Strainer Waste: Included Waste Size: 90mm Thickenss: 1.2mm Internal Radius: R10 Size and Dimensions Overall Size: 600mm x 450m x 230mm Bowl Size: 560mm x 410mm Cut Out Size: 560mm x 410mm (Reference Only) Warranty 5 year warranty No color change warranty