Robust and accurate. Since the top is flat, if it matches even the dimensions of the dish you can lay it on top. I just wonder if the hand shape will manage a bit more. It is difficult to wash easily because it is uneven only half way on both sides. Also, although it can be said to some of the same series, there are things that use product seals that are very difficult to peel off. Even if it gets wet with water, even if alcohol is applied, it can not be cleaned just by stickiness, after all it wipes off with a naphtha solvent and eventually it will wash firmly. In this case the surface will also become cloudy and we want to avoid it from the aspect of poisoning if possible. It is impossible to find a seal which is peeled off immediately for small size objects. Since it is an item related to food, I would like to use a strippable seal for all products, and to devise a tab separately.