The Lacuna Penis Jewel by Master Series gives you the pierced look minus the piercing. The hollow inner design is engineered to allow for ease of use and the wearer will still be able to ejaculate through the hole. The plug is made from stainless steel is and is non-porous, easy to sterilize, and is temperature & impact resistant. For urethral and sounding play. For safety: Make sure the plug has been sterilized and is being used with surgical grade, sterile lubricant to avoid tearing and UTIs!