Embrace your femininity with these beautiful Yoni eggs! This set is made of Obsidian Crystal, which is known for its powerful properties. Obsidian is the result of quickly solidified lava and has a unique color-combination that\'s different from every angle. The crystal is known for its protection against negative energy. It\'s a good crystal for anyone that is distracted easily or has a hard time focusing. The Yoni Eggs can be worn in 3 different ways: - as a pendant around the neck (every egg has an eyelet that can fit any chain or cord.) - directly on the skin - inside the vagina to train the pelvic floor muscles With the 3 different sizes, you can alternate for more effective training. This can help with unwanted incontinence or a weakened cervix. Strong pelvic floor muscles can also give you more intense orgasms. The measurements: S - 3x2.5 cm M - 4x3 cm L - 5x3.5 cm The Yoni Egg is 100% natural without any chemical additives. In time, small cracks or irregularities may