Save the sweat for the bedroom. Exercising your PC muscle with these set of three kegel weights for graduated strength training gives you all of the gain without the pain. Sized to accommodate both beginners & expertsSiliconeWaterproofIncludes Satin Privacy Pouch, 1-Year WarrantyBeginner Dimensions: 35g 1.4"Intermediate Dimensions: 45g 1.14"Advanced Dimensions: 85g 1.14"