Silky Smooth Flexible Silicone Enjoy the RideStrong suction cup base is harness compatible and can firmly fix on any smooth surface7.5 (7 insertable) smooth, no testicle design suitable for both men and womenCrafted from silky-smooth premium liquid silicone for a comfortable feelMade with body safe and phthalate free materialsNonporous and completely odorlessWaterproof design