The ribbed open-ended design allows for increased stimulation as you thrust in and out. Inari's soft, luscious, lifelike lips are ready for action! The compact size fits comfortably in your hand. The soft PleasureSkin allows you to squeeze to the desired tightness. The 2 X 1in egg vibe fits snugly in the bottom hole for powerful vibrations to heighten arousal. The multi-speed Power Pack for customized pleasure requires two AA size batteries, not included. However, for your convenience, Climax Personal Lubricant is included for some super slippery fun!