Reusable Silicone Female Menstrual Cup Set Steam Sterilizer Menstruation Health Care#1 Condition: Item Type: Menstrual Cup SetSize: S: Approx. 63 x 43mm / 2.5 x 1.7in, 20ml L: Approx. 65 x 46mm / 2.6 x 1.8in, 25ml Steam Sterilizer:  The menstrual cup can be sterilized by high temperature in about 3 minutes. To make sure that the menstrual cup is safe and non-toxic, it should be disinfected after use.Feature: 1. Prevent side leakage and reuse; 2. Elastic, skin-friendly, no abnormal feeling, no peculiar smell, no stimulation; 3. Wear it for swimming, yoga, sports and hot spring.4. Combination set, including sterilizer storage tools, cleaning and storage is more convenient.Menstrual Cup Principle: Collect menstrual blood instead of absorbing it. After implantation, the menstrual cup will be inverted. By using the physical principle, the internal pressure of the air will increase so that the menstrual cup is not easy to shift and avoid side leakage. Size Recommendation: For first-time users, size S is recommended; for general traffic, size S is recommended; for large traffic, size L is recommended.