Vivrating ring G2 1)Special designed stimulator can stimulate female clitoris for reaching climax. 2)The products is designed with special silicone gel ring, the ring can effectively prolong ejaculation and erection time of mean and increase the pleasure of women during orgasm. 3)Made of SEBS non-toxic material, according to FDA and CE standard. 4)Patented in China, Japan, USA and EU. If you have any questions, please feel free to contact us. Kind regards.