If you are using the foldable silicone cup for disinfection your Me Luna®, you can use this cupholder to safely remove the hot silicone cup from your microwave. The cupholder is a ring, which is made of polypropylene (PP). The ring is placed on the silicone cup from the bottom up before you place the cup in the microwave. After disinfection, you can safely handle the soft and hot silicone cup with the ring.