Abstract: A pillow of adjustable thickness is provided. The pillow comprises a first padded layer, a second padded layer, and a space of flexible volume between the layers. The space receives insertion of a pouch containing additional fill, increases its volume and expands the layers outward based on the insertion, and based on removal of the pouch, decreases its volume, and facilitates return of layers to original position. The space is a temporarily sealable pocket. The first and second layers are of like size and like shape and are permanently attached as a single unit.

Abstract: Provided for is a pillow comprising a pillow case, where the pillow case may include a front side, a rear side, a top side, a bottom side, a first cavity, a second cavity, and a divider. The first cavity may be bounded by at least the front side, the rear side, the top side, and the divider, and the second cavity may be bounded by at least the front side, the rear side, the bottom side, and the divider.