I am selling this item because I didn't use it. The pillow itself and the pillowcase are still in their sealed packaging. *Opened for photography purposes. A breathable pillow to support a baby's posture and prevent flat head syndrome. - Brand: GioPillow - Size: S - Suitable Age: 0-6 months - Size Details: S: 200x300x40mm - Function: Breathable pillow to prevent flat head syndrome Thank you for viewing. I purchased this before my baby was born and intended to use it, but my child preferred another pillow, so I didn't use this one.