KAO MegRhythm Steam Hot Eye Mask Pokemon Sleep (Lavender Scent 12pcs / Neroli Scent 5pcs) From the relaxing steam eye mask brand “Megurhythm”, a limited-edition Pokémon Sleep design is now available! Provides a comfortable temperature of around 40°C for about 20 minutes. Heats up instantly upon opening, making it easy to use anytime, even on the go. Gives your eyes a plump, soothing feeling the moment you put it on.