What size pillow should you get for a Toddler? Rebecca Leonard April 09, 2019 11:06 Updated Follow A toddler should use a Junior pillow, measuring 40cm x 60cm with a low profile designed to support their smaller neck and shoulder measurements. Shop all our Junior pillows. Related articles Which pillows can you wash in a washing machine? Which pillow filling is best for Summer? What size pillow should you get for a Baby? Comments 0 comments Please sign in to leave a comment.