【Material】Medical grade stainless steel tip and handle, smooth and durable, rust-proof, no allergic reaction. The entire urethral plug works with any water-based lubricants. 【Size】The urethral dilator is approximately 120mm long in total, features hollow probe shaft in ∅6.6 mm and ∅9.7mmdia, steel tip on plug end. 【Hollow Tube】Metal hollow tube allows urination and ejaculation, provides comfortable contour with urethral muscles. And with its screw-in tube cover, you or your partner can decide when to restrain or release. 【Penis Rings】2 Penis rings of diameter 32mm & 29.3mm. Glans ring on top which helps you gaining a firmer erection and delaying your ejaculation to make sure your full climax fun. It also effectively preventing the plug from going in too deep. 【Discreet Package】 NOTE: This item fits for most men, but please check the sizing information on our photos before purchase. Please sanitize with alcohol before and after use. › See more product details