Designed for you - Elvie Trainer is the world's smallest Kegel trainer, with an optional cover for custom sizing Stay motivated - view your workout in real time and see results in as little as 4 weeks Easy to use and discreet - exercises anywhere, anytime with fun, five-minute workouts and a carry case that doubles as a wireless charger Cutting edge technology - Elvie Trainer gives instant biofeedback and detects if you're exercising incorrectly Recommended - loved by women, celebrities and health professionals worldwide. Featured in the Oscar nominee goody bag and winner of more than 15 awards for design and innovation Safe and durable - 100% waterproof and made with the highest quality medical grade silicone, Elvie Trainer is designed to last.