New, Unused Magnetic Boxer Briefs - Black, Red, Gray - Set of 3 【Main Material】 These magnetic boxer briefs use magnets in the front and lower back. They are resistant to deformation and highly durable. The fabric feels great against the skin, providing comfortable wear. 【Specifications】 These are front-closure boxer briefs, designed for health enhancement using magnets. They feature a 3D front pouch, with 15 magnets in the front and 7 in the lower back, for a total of 22 magnets. These are single-color, simple-design functional underwear for men. 【Size】 Men's size: Japanese M Use the power of magnets to improve your health, and potentially enhance male function and blood flow.