Round Cervical Pillow Blue Memory Foam 12 h x 5 wx 5 d Thermometers Professional Knee High (Open Toe) * MSHQ MENM375 Knee High (Open Toe) * Black * 20 30 mmHg * Medium * Ankle Circ * Nylon seat straps allow for ease of folding and lifting 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 *