Natural granite powder blends acrylic resin, the sinks have high resistance to abrasion and scratches.The sinks with natural, even, various color and never discolor or fade.It can withstand high temperature of 260 degrees fahrenheit and is resistant to acids and alkalis.We use environmentally-friendly materials which are non-toxic, non-radiation and can be recycled.Implemented the Food Security Standard, you can lay various kinds of food on the sink.