3M™ Futuro™ Compression Stockings, 1 Case of 12 Pillowcases Retail boxed * Memory Foam stretchable sides so you Retail boxed * Memory Foam * Blue cover * Ergonomically designed to provide ideal spinal alignment and a therapeutic sleep posture to reduce head neck shoulder and back discomfort * Can also be used under the back knees or ankles * The high quality memory foam reacts fast to provide instant relief and comfort and provides slow memory foam recovery for longer support * The removable soft polyester and rayon cover zips off easily for machine washing * Hypo allergenic * 5 wrist circumferences * Unit warranty 2 years * Cuff warranty 1 year * Includes storage case * Includes 2AAA batteries * Open toe design has a smooth Can be used for supportive comfort during post surgery recovery