The virtual vacuum of the JIUAI Onacup uses special valves to create a deep sucking sensation for incredible stimulation, whilst the pinched-in shape of this revolutionary Japanese toy provides unparalleled tightness. It has an air hole for 'sucking' sensations, and rows of stimulating bumps to deliver the ultimate experience. Use during solo play, or hand it over to your partner for an incredible, shared experience. All JIUAI come pre-lubricated, for instant gratification. The lubrication consists of: purified water, glycerin, sodium polyacrylate, phenoxy ethanol, and paraben.

Material: ABS & Silicone Size: L 6" x W 2.4"