3-in-1: the butt plug with that little extra! Enjoy triple stimulation with this black butt plug from "black velvets" – it won't just be your back door that gets stimulation, the front will too! The integrated rings go over the penis and testicles, and create the blood congestion effect that makes your erection even harder, more powerful and above all longer-lasting. the butt plug itself has a large head for spot-on prostate stimulation (also known as the p-spot which is a man's pleasure spot). the butt plug's narrow shaft goes seamlessly into the cock and testicle rings and provides simultaneous perineum stimulation.complete length 22.5 cm. plug: complete length 16 cm, insertion depth 6 cm, ø 0.8-2.8 cm. cock and testicle ring: ø 4.1 cm (flexible), thickness 5 mm. silicone with a pu coating.