What it is: A soft and flexible reusable menstrual cup that provides snug leak protection for up to 12 hours. What it does: Its slim, bell-shaped, comfort fit design fits snugly inside your vaginal walls. With proper care and storage, this cup may last up to 10 years. How to use: Squat and insert the folded cup. Wear for up to 12 hours. Pinch the cup to break the seal and pull the stem to remove and empty. Wash thoroughly between uses.