Baby head positioner with ergonomical head rest for a well rounded headfrom 0 to 4 monthsthis baby head positioner is a complementary preventive against plagiocephaly flat head syndromeit provides a real support for babys head with an adapted shape to avoid flat spot on babys skullbesides44 it also reassures and soothes baby thanks to its quotholding cocoonquot effect that makes baby feels like in mothers wombthe head positioner also ensures good ventilation during babys sleep