MADE OF STEEL The Homy Feel circle shape cutters kit is made of 430 stainless steel making them strong so they keep their shape, are rust proof, dishwasher safe and tested to be oven safe to 500F degrees. PROFESSIONAL DESIGN Fully stainless steel Rolled top edges, to protects your fingers during the cutting process. The donuts cutter set has no sharp dangerous seams, and a plain clean edge on the bottom to cut with ease. MANY SIZES Biscuit Cutter Set 6 various graduated sizes,Ring Diameters: 1-7/8 to 3-1/4 inches, and all are 1.14 -inches high.Nested neatly in a compact sturdy storage tin. MULTIPURPOSE Biscuit Cutter Set is widely used: including cutting cookies, pastries, dough, fondant, empanadas,crumpets, tarts, canapes,doughnuts, vegetables, English muffins, bread, ravioli pasta.Use it for baking, cooking, frying eggs or making pancakes. The Homy Feel Biscuit Cutter set has a good design package, convenient storage, and make it a perfect gift for any occasion.