The Large Crystal Premium Glass eggs from NS Novelties are the perfect training partner. Train your pelvic muscles with these unique ben wa balls made of 100% hand-blown, premium Borosilicate glass. The durable material is hygenic, hypoallergenic and very easy to clean. In addition the eggs can be heated/cooled to personal taste before insertion - just keep them in the freezer or put them in a jug of warm water. Once inserted, they will help strengthen the pelvic muscles, while providing rippling effects of stimulation. The instruction manual provides information on muscle exercises designed to give pleasure and maintain healthy muscle control.
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