General:

Like all rabbit vibes, this toy provides multi-stimulation. The rabbit, or in this case, butterfly, vibrates for clitoral stimulation, while the shaft penetrates. The shaft itself both gyrates while a beaded middle section rotates for a rumbly, deep quake. The gyrating head is intended to stimulate the G-spot. The beads inside are loose and free, not held by a rotating bar.

Material:

This toy is made of silicone. Please use only water-based lubricants to avoid damaging the toy.
The silicone texture is very pleasantly malleable, soft and giving to the touch. The head and the first inch of the shaft are solid silicone, changing into a silicone sheath at the bead chamber, where it is stretchy and flexible. The vibrating bullet is sheathed in silicone as well, with additional planes of solid silicone, here made to look like the wings and antennae of a butterfly. They respond very well to the vibrating bullet, undulating in rhythm set by the speed of the vibration.

Design:

The shaft is very similar to the shape of a real penis and the girth is realistic, so I would classify the dildo half of this toy to be realistic, ignoring that the shaft is filled with beads of course. As I mentioned earlier, these beads are loose without a guide bar. If you have tight kegels or are just small as it is, the rotating bead function will provide some difficulty for you. Your inherent size and/or strength will lock up the beads, jamming them in place and keeping them from rotating, voiding that feature of the toy's pleasure options. This didn't seem to cause any permanent damage to the motor, but I imagine it could if you persistently ignored it... not that you could; the noise it makes when it's jammed is something else, quite loud. Rather like a malfunctioning printer.
-All that said about the rotating pearls, it may be a personal problem because I'm narrow set. If you're able to command your kegels not to clench (try that five times fast) then you'll have no problem with the rotor function of this toy. And even if you do, you can enjoy it simply for it's penetration and strong vibrator like I did!

In the end I ended up having to bin this toy, not because the pearls jammed up irreparably as I've seen in some other reviews, but because the wiring to the vibe seemed to have shorted out. Sad thing really. And once both of those functions are null, it's really beyond keeping it just to look at, even though it's a pretty thing.