100% medical-grade silicone menstrual cup with ring for easy removal the Viv cup is a reusable 100% medical-grade silicone menstrual cup. our flexible and soft cup is dark-colored to prevent discoloration and built with a ring stem for seamless removal and insertion.the cup was designed with comfort in mind, with the ridges in place to ensure there is no internal slippage.to use, simply fold the menstrual cup in half (see here for folding options) and insert it as you would a tampon. after allowing the cup to open up, it can be used for up to 12 hours. with proper care, the cup can last up to 10 years. the viv cup helps reduce the risk of toxic shock syndrome, bacteria infections, and cramps.the Viv cup is a great option for environmentally conscious and busy menstruators. power through your day without worrying about changing your pad or tampon. save money and time without having to purchase disposable menstrual products. The Viv Cup- Small Light/ Normal Flow The cups diameter is 40mm (1.6 in) by 64 mm (2.5 in) The ring stem measures 18 mm (.7 in) Holds 20 ml of fluid with a 10 and a 15 ml line mark The Viv Cup- Large Normal/Heavy Flow The cups diameter is 45 mm (1.8 in) by 71 mm (2.8 in) The ring stem measures 20 mm (.8 in) Holds 25 ml of fluid with a 15 and a 20 ml line mark
