The design features strong ribs that are curved to comfortably massage your anus. You can also insert an anal-safe vibrator, a liquid of your choice and much more through the tunnel. Your partner can even look into the tunnel. This curved plug is ideal for the prostate, but also feels wonderful in a female body. The ergonomic shape allows you to wear it for hours Material: silicone, length: 9.65cm, Ø outside: 6.22cm, Ø opening inside: 2.8cm