Made of premium quality liquid silicone,very safe to your bodyWorth for life-time fun, Strong suction base for hands-free enjoy. Flexible with no smell at allGently curved shape for G-spot or P-spot stimulation Flat base is safe for anal play and strap-on harness compatible.Circumference: 3.9 inches Insertable Length: 6 inches O ring inner diameter: 1.75 inches