Compact is a small starter dildo, perfect for warming up. It's designed to touch the prostate in just the right way. The head has an upward tilt designed for maximum stimulation. With its small girth, Compact is perfect for beginners. It's harness compatible with a very small o-ring. Harness Compatible: Yes. Safe For Your Body: Made from Tantus' own unique formula of 100% Ultra-Premium Silicone. Easy To Clean: Eco-Friendly, Hypoallergenic, Hygienic, Boilable, Bleachable and Dishwasher Safe. Diameter: 1" Length: 5.25"