STUBS are made of 100 % Silicone! They are flexible without losing the necessary stability, easy to clean and hypo-allergenic.The secure base makes it easy to handle and suitable for harness use. If cooled or warmed, if bathing or on land – they guarantee diversified stimulation.Special features * Good grip * Easy to use * Harness-compatible * Made of solid, 100 % medical-grade SiliconeDetailed operating instructions are included and a sample of our lubricant Toyfluid in every package of STUBS.Dimension:length – 6.1”diameter – 1.54”