Abstract: This invention relates to a foldable seat cushion having at least one blank for use in the seat basket of a shopping cart. The device is constructed so that the back portion of the seat cushion can be adjusted for the width of the seat basket and affixed in position thereupon, while the front portion of the seat cushion may be rolled about the handle of the shopping cart and secured with an adjustable fastener. The invention includes a pair of apertures provided for legs of the child through the seat cushion, a seat belt for retention of the infant therein and accessory tethering straps for the application of toys or like objects for the entertainment of the child while seated upon the seat cushion.