Her Kegel Kit includes everything you need for kegel exercises. Includes a powerful multi-speed stimulator. A perfectly weighted silicone coated kegel exercisers with easy retrieval ring. Ergonomically weighted stainless steel balls to tighten and tone Kegel muscles. Non-tarnishing and nickel free. Requires 2 AAA batteries, not included. Bullet vibrator 2 inches by 1 inch. Silicone Kegel Balls 1.5 inches by 3.75 inches. Steel Ben Wa Balls .75 inch.