My son has worked this teether excited. He used only sporadically All other Beißspielsachen. Unfortunately, I have placed the ring accidentally into the vaporizer. After that he was imEimer. VLT. manufacturers could more detailed information for the care on the packaging. I usually put everything in the vaporizer and some things that keep not from. Just how do I know what withstands and what not! But the Coolerbeißring is nevertheless pointed in his capacity as the green ends can be pushed far into the mouth and thus a massage of the molars is possible.