Even More Real Than Real! The Flurry O2 is an anatomically targeted Tantus product made specifically to stimulate the G-spot. With a maximum diameter of 1.5. Flurry's tapered shape is perfect for harness play. Tantus' Dual Density O2 line is designed to feel realistic. featuring a Super Soft™ outside and a hard muscle core - both made of Tantus' own unique formula of 100% Ultra-Premium Silicone. Diameter: 1.5. Length: 7.