Pure Enrichment Open Box Pure Enrichment PureRelief Universal Joint and Muscle Heating Pad - 19.5" x 11.5" - Gray •FLEXIBLE UNIVERSAL DESIGN: Contours to fit knee, shoulder, arm, elbow, abdomen, and back, with two customizable strapsed temporary pain relief treatment. Designed to hug your joints for even heat dispersal.•HOT & COLD THERAPY: Includes a therapeutic gel... $16.99 Was: $39.99 Was: Add to Cart