The H-Bomb is an outstanding feeling toy that mimics the shape of a huge, full-sized fist without the knuckles. This is one of our biggest and most filling plugs made for those seeking a huge thrill. Made of 100% Ultra-Premium Soft silicone, this is an advanced toy for people who know what they are doing and demand quality from products they put in their bodies.Harness Compatible: Yes Safe For Your Body: Made from Tantus’ own unique formula of 100% Ultra-Premium SiliconeEasy To Clean: Eco-Friendly, Hypoallergenic, Hygienic, Boilable, Bleachable and Dishwasher Safe.Max Head Diameter: 3.7” Shaft Diameter: 2" Base Diameter: 3.75“ Length: 9” Weight: 2 lb 12 oz