How to use the neck support pillow correctly?<br/> The support pillow should sit on the shoulder and then the tabs should secure underneath the opposite arm. <br/><br/> SIZE (approx):<br/> 21 1/2" ×3 1/2" <br/><br/> Tips: As with all things baby, it should be used under supervision and should be taken off when your baby is put to sleep in his or her crib.<br/>Infant Head Posistioner The pillow can be used as a guide to your little one as a reminder of how his head is suppose to be position.