It looks long in the photograph, but it is as shown in the notation of 20 CM. Because it is good because there is no problem with my own use length, there was a disparity in the image after purchase. 20CM is shorter than a PET bottle of 500ML cola. I think that it is probably about 500ML beakers. But it is fine because it is stain. I do not have any folding folks, so it's safe.