Now this is my kind of workout! with the Coco licious Silicone Kegel Trainer from CalExotics. Versatile Kegel training system with easy retrieval cord. 3 interchangeable weighted Kegel balls. Smooth and seamless premium Silicone. Silicone (holder, balls) ABS (decor). 1 /2.5cm (diameter, small balls: 20g and 30g). 1.25 /3.25cm (diameter, large ball: 40g). 6 x 1.25 /15.25cm x 3.25cm (overall).