Limits regurgitation, colic, nasal congestion and sweating. 15 ° tilt slightly lifts the head into perfect alignment. This position limits regurgitation and particularly relieves babies suffering from reflux of colic and nasal congestion. The alveolar structure of the cover allows optimal air circulation. Removable and machine washable. Foam density 18 kg / m3, made in France is made from Oeko-Tex ® certified materials 2 year warranty. ATTENTION: remember to place the inclined plane UNDER the baby's fitted sheet.