1.Its design is very professional; it can seal your dumplings correctly; dumpling will not leak when they are boiled. Sometimes the edges are not tight enough, because the flour each one used is different in viscosity, you can try to make the edge of the dumplings a little wet. (use the water or egg) then pressed it again to help seal better than before.
2.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, Or you can throw it into the dishwasher, and it's very durable.