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The ROMP Dizi is a curved 7-inch suction cup dildo in smooth silicone, shaped to reach the G-spot or prostate. It works three ways: stuck to a wall or floor for hands-free riding, held in the hand, or worn in a strap-on harness. A hollow in the base also takes ROMP's Riot bullet, so you can add vibration whenever you want it.
Dizi is a non-realistic design: no veins or head, just a smooth shaft with a steady upward curve toward a rounded tip. That curve points the tip at the front wall of the vagina or toward the prostate when inserted at the right angle. The supplier lists the shaft diameter at 35 mm, a moderate girth that many people can manage after a little practice. The silicone has a soft matte finish that slides well once lubed.
Wet the cup and a smooth, non-porous surface such as tile, glass or a sealed floor, press down firmly and give a slight twist. Stuck to the floor or a chair, Dizi is set up for riding, which gives you full control of depth and pace. On the shower wall at hip height, it works from behind. Because of the curve, try facing different directions; one way will usually hit the spot much better than the other. Check the seal again after a few minutes, since lube creeping under the cup is the most common reason it lets go.
Dizi has no motor of its own. Slot the ROMP Riot bullet into the base and the whole toy gently vibrates. Other slim bullets may fit, but the Riot is the one it's shaped for. Without the bullet, there's nothing electrical, so Dizi can stay in the water as long as you like.
The 7-inch figure is the whole toy, including the flared base and suction cup, so the part you can actually insert is shorter. That length is enough for the curve to reach the G-spot or prostate comfortably without being a deep-reaching toy. If you're newer to penetration, or a 35 mm girth sounds like a lot, start with a slimmer silicone dildo or ROMP's smaller pegging options and come back to Dizi later.
The flared base is harness compatible and sits behind most standard O-rings. For pegging, the curve angles toward the prostate when the wearer thrusts with the tip pointing down toward the receiver's belly. Pair it with an adjustable fabric harness such as the Sportsheets Deep Dive if you'd like something you can also use in the shower.
Use a water-based lube, as the product listings advise; silicone formulas can leave silicone toys tacky over time. Wash Dizi with warm water and mild soap or toy cleaner, rinse the suction cup well so lint doesn't stick to it, and let it dry before storing it away from other silicone toys.
Need help choosing size and shape? See our dildo buying guide or more suction cup dildos.
Helpful answers about Romp Dizi Dildo.
It is a reasonable step up for people who have used fingers or a slim vibrator. The smooth, tapered tip helps, but 35 mm is a moderate girth, not a small one. Go slowly with plenty of lube; riding lets you control depth while you get used to it.
On smooth, flat, non-porous surfaces: glazed tile, glass, mirrors, sealed wood floors or a smooth chair seat. It will not hold on carpet, textured walls or grout lines. Wet both surfaces first and check the seal before putting weight on it.
Yes. Its flared base fits most O-ring harnesses. Point the curve toward the receiving partner's belly for G-spot or prostate contact. Very wide O-rings may let it wobble, so a snug ring gives the most control.
Not on its own. Insert the ROMP Riot bullet, sold separately, into the base to add vibration. Without the bullet, Dizi is a plain silicone dildo with no electronics, which makes it simple to clean and fine to use in the bath.
Yes. The flared base stops it going too far, which is essential for anything inserted anally. Use plenty of thick water-based lube and start with the tip only. The curve can also make it a good prostate toy.
Water-based lube is the safe choice. Silicone lube can make silicone toys tacky over time. Our lube guide for sex toys explains which formulas suit which materials.
Expert guidance to help you choose, use and care for your products with confidence.