These measuring cups and spoons set are made of stainless steel and PP material, which has stronger corrosion resistance and higher hardness, will not fade or rub, the surface and edge are smoother, and will not bend, break and rust, making your cooking safe.These stackable cups and spoons come with a connecting ring for easy storage of all your spoons while cooking or baking. Each spoon is engraved with graduations, allowing you to easily measure the amount of seasonings you add while cooking. These baking measuring cups and spoons are perfect for measuring coffee, sugar, spices, salt, butter, cocoa powder, etc., and can also be used to measure oil, vinegar, sauces, to meet your various cooking and baking needs.Our stainless steel measuring cups and spoons set are easy to clean, hand washable, or dishwasher safe.