Safe material: Made of food-safe 18/8 stainless steel, 100% rust-resistant, no toxic elements, safe for measuring wet and dry ingredients. No more guesswork - each mug has a clearly engraved mark to indicate its " ml " and " Cup " sizes, and you can easily identify the cup scale by the color of the handle. No more guessing in the kitchen. Multiple Sizes - The measuring cup set includes 1/8 cup, 1/4 cup, 1/3 cup, 1/2 cup, 1 cup and 1/4 teaspoon, 1/2 teaspoon, 1 teaspoon, 1/2 Tablespoon, 1 tablespoon. Don't worry that the dimensions won't rub off. Elegant and practical design: The nesting option is ideal for storage space and order. With stainless steel ring - the stainless steel ring lets the cups / spoons hang together on the wall and opens quickly when you separate them want to .