Dress like your Doll. My Princess Box includes the latest, cutest designed dresses for her and her doll and an awesome accessory, all packaged in a pretty pink box just for her! We guarantee that our quality is the very best or we will refund you in full within 7 days of receiving your “My Princess Box” Beautiful, seasonally exclusive 4EverPrincess USA designed dress with matching dress for her doll. Guaranteed quality and the cutest designs by 4EverPrincess USA!. Dress like your American Girl Doll!. Free Shipping.