Ergonomic design for preventing flat head syndrome Dual pillow that helps lower congenital fever of the new born. Air mesh fabric is used for the back for good ventilation. Stable cushion provides your baby with comfortable deep sleep. Suitable age: 0-12 months size: 32*22 cm Height: 3-5 cm Fabric: Pure Cotton Pillow reverse: Bubble fleece Material: Front: 100% cotton; Back: 3D mesh; Inside: PPcotton/Polyester