Description: Baby pillows feature advanced soft memory foam and breathable cotton fabric cover Can be uniformly dispersed the pressure of the baby's head,protects the baby's neck and shapes a perfect head form. Reducing the risk of a flat spot forming (Plagiocephaly) in babies,suitble for 0-18 months baby. Care instructions: Spot clean with a damp cloth only. Can be washed softly. Do not immerse in water as this tends to harden the memory foam Efficient design is simple to insert in any stroller,rock n play,rocker,skull crib bedding,cradled, car seat or swing Specification: Material:polyester Size Chart: Size:approx.23x21x3cm/9.1x8.3x1.2inch Package Includes: 1 Piece baby pillow Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2cm error in size.