Durable Food-grade Stainless Steel Cutlery Set This flatware set is made of high-quality food-grade stainless steel which is very durable, rust-proof, corrosion-resistant, non-toxic, BPA-free, no metal aftertaste. Meanwhile, its sturdiness ensures that it will not bend easily providing you with long-term use. Most importantly, theyre dishwasher safe. This flatware set is made of high-quality food-grade stainless steel which is very durable, rust-proof, corrosion-resistant, non-toxic, BPA-free, no metal aftertaste. Meanwhile, its sturdiness ensures that it will not bend easily providing you with long-term use. Most importantly, theyre dishwasher safe.