Matrial: Stainless Steel<br />Length: about 150mm / 6”<br />Min. Bead diameter: 5mm / 0.2”<br />Max. Bead diameter: 8mm / 0.32”<br />Weight: 41 grams<br /><br />Note: <br />Do thoroughly disinfect before use. Use lubricating fluid， otherwise it will pain， a water-soluble lubricant best.<br />Afterwards， drink more water to urinate.<br />Do not get into reluctantly， in order to avoid hurting urethra.<br />Be sure to slowly expand， do foreplay<br />If you want more excitement， before you plug in the urethra， insert a vibrator in anus.