Easy to use: * In the microwave: 2 minutes, closed / * no microwave lid: pour boiling water in the sterilizer, close and wait 5 minutes discretion: Does your loved ones expected to see the water from the pasta and discover its cup in the saucepan? From now on, sterilize and save your cup away from the Practice view: it can be folded to save space. Slide it in your pocket or bag, you will be with you at all times (travel, work, ...). Suitable for all carvings and cup shapes thanks to its generous dimensions. Healthy composition: Silicone 100% food grade for maximum hygiene, durability and trust.