Abstract: A portable seat organizer including: a main body having an upper part joined to a lower part by a middle part, the upper part having a first upper surface defining a first plane, and the lower part having a first lower surface defining a second plane, the first and second planes being parallel and not coplanar; an extension plate slidably coupled to the upper part and including at least one of a support slot and a support tab, the extension plate slidable with respect to the upper part in a direction parallel to the first plane and away from the lower part to form an upper extension of the upper part; and a first accessory including a first accessory tab and a first accessory slot to respectively engage the at least one of the support slot and the support tab.

Abstract: A portable seat organizer including: a main body having an upper part joined to a lower part by a middle part, the upper part having a first upper surface defining a first plane, and the lower part having a first lower surface defining a second plane, the first and second planes being parallel and not coplanar; an extension plate slidably coupled to the upper part and including at least one of a support slot and a support tab, the extension plate slidable with respect to the upper part in a direction parallel to the first plane and away from the lower part to form an upper extension of the upper part; and a first accessory including a first accessory tab and a first accessory slot to respectively engage the at least one of the support slot and the support tab.