An underwater adventure! The Aquarius is a waterproof personal pleasing system. The vibe is made of a matte finish plastic and measures 5.25inches x .875inches. The vibrator requires 2 AAA size batteries, not included, to provide the multi-speed power. The underwater massager includes a removable soft jelly sleeve that is nubbed and has a clit tickler attached for added bath fun. Feel waves of orgasms with the Aquarius!