Created to gradually stretch and train overly tight vaginal and/or anal muscles. Reduce discomfort during intercourse and maintain elasticity and pliability. Graduated sizes allow users to gently stretch muscles for comfort. A channel running through the center of each dilator allows users to pre-lubricate each one (use of a lube shooter, like WTC107CP from Cloud 9 Novelties, is recommended.) Use to reduce tightness of vaginal and/or anal muscles Silky smooth, phthalate-free, graduated silicone dilators Base allows for added control and leverage Large: 3.9" x .875" Medium: 3.3" x .75" Small: 2.8" x .5"