The Joy baby mattress impresses with excellent lying properties due to the use of high-quality, medium-soft foam and high safety thanks to the impact-resistant longitudinal edges. The cube structure on the baby side ensures perfect surface ventilation. Vertical air channels provide additional air exchange for an optimal sleeping climate. The cover made of breathable and durable polycotton is removable and washable up to 60°C. All materials used are tested according to Standard 100 by OEKO-TEX and are completely safe for parents and children. Julius Zöllner products are manufactured in Bavaria according to the highest quality standards using traditional handcrafted methods.