The seasoning tank is made of stainless steel, sturdy and durable with no sharp edges. They have a modern design which look good on any worktop. It is good used to fill in salt, sugar, monosodium glutamate, chicken essence, pepper, coffee powder, oil, red beans, soybeans, mung beans, sesame powder, various seasonings. The spice rack have a transparent lid which are twistable allowing you to see the content level, so you can quickly see the condiments. Each spice jar has a vent hole with two openings that you can twist and align to open. A large opening give a large amount out and a row of holes give a nice sprinkle.