Ultra-Stretchy Ring for Enhanced StimulationSuper stretchy material allows for comfortable fitNut design creates an unique look while wearing itCrafted from silky-smooth premium liquid silicone for a comfortable feelMade with body safe and phthalate free materialsNonporous and completely odorlessWaterproof design2.1 (55mm) outer diameter. 1 (25mm) inner diameter unstretched. 0.8 (21mm) thickness