Tenga Flip Zero Gravity Masturbator is excitingly dense and variedly structured interior which makes it possible to move faster during use. In addition, intensive emotional details and suction vacuum ensure the ultimate penis massage. The high-quality materials ensure a very smooth and sensitive application. The smooth, soft opening ensures a perfect seal without the lubricant leaking out – and a strong (blowjob) vacuum thanks to the one-way valve. The intensity of the masturbation experience can be increased and varied by applying pressure to the side surfaces.