Bring pleasure to your pelvic exercises with these Crystal Pink Large Premium Glass Eggs by NS Novelties. These artistic gems are made from 100% Borosilicate glass and are designed to bring pleasure to PC muscle exercises. Once inserted, they will help strengthen the Kegel muscle, while providing rippling effects of stimulation. At a larger 2" (5.1cm) x 1.25" (3.2cm) in size, these eggs are a delicious yet discreet. Also included in the set is a silk storage bag and a detailed instruction manual (that outlines PC muscle exercises designed to give pleasure and maintain healthy muscle control).