Durable NSF Certified Stainless Steel: This multi-functional sink is carefully made of high-quality SUS201 stainless steel, with an excellent overall texture. The surface is treated with a professional wire drawing process, which not only has an outstanding appearance, but also has excellent rust resistance, scratch resistance and corrosion resistance. It is not easy to scratch or rust in daily use, and is very convenient to clean, which can be wiped clean immediately and maintain a new appearance for a long time. At the same time, the product has passed NSF food safety certification, with safe and non-toxic materials, which can directly contact drinking water and food, and is durable, suitable for long-term use needs.