Pillow case sold separately see below
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The Poli-Aire™ Hot & Cold Cervical Pillow is the most advanced cervical pillow on the market. It has 3 features that allow the pillow to be used as:
An ordinary cervical pillow.
A cervical pillow that contains either a hot or cold pack.
A cervical pillow that can be made softer or harder in density according to the comfort requirements.
It can be deflated to fit in your suitcase.
It comes with poly/cotton cover that is machine washable.
Also, shop for the Poli-Aire™ Hot & Cold Cervical Pillow Pillowcase