Our self lock cake boxes feature a sturdy four-wall structure. The top flap includes two side panels that tuck into the walls. Auto-locking side and front flaps rest in die-cut cutouts. Side panels tie to the bottom base to keep cakes steady. This design allows a wide opening for easy loading and access.Many cake boxes include a clear cutout top window for display. The showcase-ready structure presents cakes attractively on any counter. This locking design offers safe, secure packaging for delicate desserts.