How do Merira Graphene Honeycomb Vaginal Tightening & Body Shaping Briefs Work? Graphene Honeycomb Vaginal Tightening and Body Shaping Briefs could release natural energy through thermal circulation to improve blood circulation throughout the body and eliminate toxins from the uterus. Working simultaneously with tourmaline (a precious natural mineral) in the middle of the panties, it would help with body's lymphatic drainage, reduce body fat, and solve various gynecological diseases as well as tightening the vagina and firming up the buttocks. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.