Characteristics Size: Imasafe™ Reusable Menstrual Cup is available in 3 different sizes: Small (15 ml), Medium (25 ml), and Large (30 ml). Stem: It helps you find the cup once you’re ready to remove it. Air Holes: These holes help the cup stay suctioned inside the body to prevent leaks. Ridges: For easy grip and secure removal. Smoother Rim: It is flexible and helps the cup in easier insertion and opening up once it’s inside. Appearance/Colors: It comes in six different colors- Translucent, Purple, Aqua Green, Pink, Red, and Black Shelf-Life: 5 Years. Technical Specification 100% medical-grade liquid silicone rubber. Manufactured in Clean Room ISO Class VII. Tested by highly qualified Rubber Technologists & Engineers. Advance R&D facility lab. Compliance and certifications European Conformity FDA 21 CFR 177.2600 ISO 10993-10 ISO 13485 Certified Vaginal Membrane Irritation Test SVHC Tested ROHS Compliant BPA free TSE/ BSE FREE PHTHALATE FREE USP CLASS VI ISO 10993-4 ISO 10993-11 ISO 10993-5