Perform like a porn star with our pure premium silicone cock rings from Performance. a brand you can trust. Stay harder and longer with these male enhancement rings that are a blend of taut and stretchy. It can be stretched up to twice its original diameter. With 3 sizes to choose from for the perfect fit. wear 1 to increase your sexual stamina or wear multiple cock rings around both your cock and balls.- STRONG - High Tensile Strength Silicone Resists Snapping- COMFORTABLE - Just The Right Blend Of Taut And Stretchiness For A Comfortable Yet Effective Fit. Choose The Size That Fits You Best.- GLOWS - In The Dark. Put It Under A Moderate To Bright Light Source For 5 Minutes To Get It Glowing In The Dark- PEACE OF MIND - Made of Body Safe Silicone. Contains No Synthetic Fragrance. Phthalate. Paraffins Nor Latex. It Meets Or Exceeds International Product Safety Standards. As Always Do Not Use Products Made Of A Soft Plastic With Silicone Based Lubricants or Petroleum Based Products Such As Baby Oil or Vaseline. It will Degrade The Silicone. It's Your Body Be Mindful Of What You Put In It.- 3 SIZES - 3.2 cm (1.25 Inch). 4.5 cm (1.75 Inch). 5.1 cm (2 Inch). Will Stretch To A Little Over Twice It's Original Diameter