AirCast® A2™ Left Wrist Brace With Thumb Spica, Large, 1 Each Mattress Overlays Toppers Provides excellent support for the 01804 Provides excellent support for the curvature of the lower back and neck * Can provide relief from conditions aggravated by poor posture * Place between your knees while lying on your side for a more comfortable sleep * Can be used in combination with the ObusForme© Highback Backrest Support or your car s headrest for added neck support * Made with polyurethane foam * Elastic strap holds the ObusForme© Supporting Roll in the position you desire * Brushed polyester cover can be removed and sponge washed * Small lightweight and portable for use anywhere you sit at home in the office and on the go * Relieves muscle aches and pains For large left wrists 7½ to 9 inches in circumference Contoured shape and breathable fabric promote comfort