FemmeFunn Unda PinkUnda is the thinnest, most powerful panty vibrator in existence. The super slim base and ergonomic design allows it to be worn comfortably, as long as desired, without the need for magnets to secure it in place. Key features: Ergonomic design: Stays in place without magnets (unlike all other panty vibes) and delivers powerful vibrations unlike any other motor. Comfortable base: The super comfortable base is the slimmest ever on a panty vibrator,