The Ultimate Suction Experience. Featuring a special valve structure, the Original Vacuum CUP delivers amazing suction when covering the air hole on the top of the item. With its celebrated hourglass shape, it delivers a tight squeeze upon insertion and unrivalled stimulation from unique internal details. Product info: Disposable. Pre-lubricated. Single-use. Complex stimulus with multiple nodules. Tight and rough stimulus. Lubricant ring holds and applies lubrication. Smooth pad insertion mechanism. Airhole to control the vacuum suction. One way valve creates a vacuum sensation. Waving zone offer constriction. Smooth and slippery waves that tighten. Materials: Insert Sleeve: Thermoplastic Elastomer (TPE) Casing: PE Size: (D × W × H mm): 69 × 69 × 155 Insertion Length Approx. (mm): 150 Insertion Width Approx. (mm): 45