This portable steam sterilizer, made of excellent PP material, effectively kills 99.9% of harmful substances and is versatile for sterilizing menstrual cups, kegel balls, and personal small articles. It operates with a wide voltage range of 110-240V and completes disinfection in about 3 minutes. Compact at 9.0 cm * 9.0 cm * 18.0 cm, it ensures safety and convenience with automatic power-off after use.