Froli Star is a retrofitting bed system for healthy sleep for all sleeping spaces in caravans + RV's. 70 flexible spring support elements are assembled easily, support pressure balance and provide optimum ventilation for mattresses, which can be of little height and weight. Reduces CO2. Avoids mold. Degree of firmness can be changed easily. Eco-friendly bed-in-the-box kit. High quality 100% recyclable permanently flexible plastic. Certified development and production processes DIN EN 9001, 26000