Healthy Improves the quality of intimate and sexual health Security Patented ABS plastic closure, 100% safe and airtight Patented system Designed in Barcelona by professionals in the field of sexuality together with a team of engineers from the Polytechnic University of Catalonia (UPC) Ergonomic design Thanks to the shape of the silicone strip, they can be easily inserted and comfortably Tailored training Allows you to practice up to 5 levels of training