The sleek and streamlined Slenders Edition(tm) is the perfect blend of subtle, understated design and maximum sensory satisfaction. Slim, sophisticated and waterproof, the Slenders' sexy, ergonomic shape exhilarates, while its powerful, yet whisper-quiet, three-speed dual motors ensure a mind altering experience. Choose the Wonder for its elegant curve that will also explore and stimulate the G-spot for maximum pleasure! All Evolved products are waterproof, phthalate free and latex free. This product uses 2 x AAA batteries.