The springs also allow perfect ventilation of the bed bases and mattress, for healthy and ventilated bedding, night after night. The springs bed bases are also very robust. All our bed bases are customizable with all the Andre Renault decoration offer, including 30 decorative fabrics to choose from. All our fixed bed bases, are warrantly for 10 years. Andre Renault fixed bed bases are CTB certified bedding (except bed bases) attesting to the durability of bedding and the performance of its components.