Human Creations Gel'O Cool Pillow Mat 11 x 22 - soft, odorless, no water filling! - Gift Box Large-sized 11 x 22" cool mat that spans the width of your pillow Soft and conforms to the body, allowing your pillow to still give you the support you need Can be refrigerated or microwaved for use as an ice or heat pack Uses safe medical-grade material that will not leak when accidentally cut open One-year warranty