What size pillow should you get if you have a Cot Bed? Rebecca Leonard February 13, 2020 09:57 Updated Follow If you're making up a cot bed, choose a Junior pillow. Our Junior Pillows measure 40cm x 60cm. Remember that pillows are not recommended for babies. Shop all our pillows. Related articles Depending on the filling, after how long should you change your pillow? Which pillows can you wash in a washing machine? Should you get a deep pillow? What size pillow should you get if you have a Single Bed? Comments 0 comments Please sign in to leave a comment.