These measuring spoons are crafted from food grade heavy duty premium Stainless Steel, they could be used for any food and is rust resistant. Set Contains 6 spoons: 1/8-tsp, 1/4-tsp, 1/2-tsp, 1-tsp, 1/2-Tbsp and 1-Tbsp. These spoons have engraved U.S. and metric measurement markings that are easy to read and won't fade or rub off like plastic. The rectangular design of measuring cup and long handle narrow to fit into most spice jars. With a convenient ring that opens and closes to let you use one spoon at a time and then keep them all together when you're done. This product contains only the measuring tool set, no other items.