Designed in the form of a 0, the Flip Hole Zero has been rebuilt from the ground up, from zero, using the 10 years of experience TENGA has gained. Zeroing in on the possibilities of pleasure Using their finest materials yet and the latest technology, TENGA is proud to present the latest in male pleasure technology, the Flip Zero. TENGA has taken its unique Flip series to new heights of pleasure. A seamless insertion point provides the perfect seal for no lubricant leakage and a strong vacuum made possible by a one-way valve. The Flip Zero features their most intricate internal details yet for great sensation, and their pioneering Flip-open function keeps the item hygienic for multiple uses.