Features:ul liRigid, metal cock and ball ring made of 3 conjoined ringsli liProlongs and enhances erection, delays ejaculationli liLifting effect makes penis look biggerli liRestricts blood flow to penis and separates balls for added sensation and effectli liSmooth finish for safe and comfortable wearli liEasy to clean and hygienicli liWaterproof, submergibleli liSuitable for temperature play &ndash, cool it in fridge or warm it in boiling waterli liSlip on flaccid penis, balls first, use lubricant to aid slideli liInner diameter: small ring &ndash, 38mm1.5&rdquo,, medium ring &ndash, 45mm1.8&rdquo,, large ring &ndash, 50mm2&rdquo,li liWeight: 71gliul