Hello dear, maybe you are urethral play lover or other sex lover, but the sounding is without satisfying your needs or various levels of pleasure. What can you do? NO WORRY! The urethral sound has 7 types different solid beads which can provide you with 7 different fluctuating feeling, will offer you deep penetration and tingly bliss. Inserting the sounds into your penis SLOWLY, the small bead will bring you penis with a great feeling, then continue, different beads will give you the different stimulation for sex. (Please smear the lubricant to the urethral sounding and penis before you use to prevent pain) Specification: Product Name: Urethral Sounds Plug Brand: Sex RabbitMaterials: Stainless steel Total length: 130mm Effective length: 122mm Minimum diameter :3mm Middle Diameter:7.5mm Max Diameter:8mm Keyring Diameter: 27mm Weight:32g Suggestions & Notice (1) this product should not be used on bruised, swollen, or inflamed areas including skin lacerations.(2)Stop to use immediately if discomfort occurs.(3)sanitize with alcohol before and after use (4)Better use it with human lubricant.