The blades of the DataMax DM4865 Scissors 158mm Round Tip Assorted Colors are made of rust-resistant stainless steel. Each blade is exceptionally thick for improved strength and longevity and has micro-serrations to improve cutting performance. The scissors' handles are designed to be stable and comfortable for little hands. These scissors are great for crafts, home décor, academic assignments, and more. They are dishwasher safe.