What size pillowcase will fit my pillow? 31 May 2023 02:37 We suggest just using a standard pillowcase for any of the pillows in our range! On the hunt for some new sheets? Check out our incredible Bed Linen range today. Related articles How long will it take to adjust to my new Koala pillow? How long will my Koala pillow last? What is memory foam? Do I need to use a pillow case? Can I put the Koala Pillow in the washing machine?