The bottom is an "Arc design" that will not even hurt your hand while cutting the dough evenly. It is very convenient, and the children will like it too Its design is very professional; it can seal your dumplings correctly; dumpling will not leak when they are boiled. Made of 304 food-grade stainless steel, The bacteria do not adhere to this substance; it doesn't rust even if it is not used for a long time. After each using, just rinse it with water to get clean. It allows you to make a lot of dumplings easily in a short period. As we know that a dumpling can be eaten in one bite. Adults need about 20 dumplings per meal, but children don't need so much. You will never know how much time and effort you can save by using a dumpling tool of easy to clean and has a good seal. It's sturdy and was made of 304 food-grade stainless steel. The bacteria do not adhere to this Substance. You can hang it on the wall or in the box, it takes up a less of space but gives you a lot of help.