Blue Jay Sacroiliac Belt Black X Large 46 52 Jobst Ready To Wear Armsleeve Includes Pump * Iindividual bladders Aluminum band assists in Includes Pump * Iindividual bladders alternate every 10 minutes to provide a comfortable pressure relieving seating surface * Zippered non skid stretch knit cover is anti microbial and meets California Tech Bulletin #117 for fire retardancy * Dimensions: 18 x 16 x 3 1 4 * Weight: 4 Lbs Adjusts from 25 32 * Without wheels *Easy push button mechanisms may be operated by fingers palms or side of hand * Each side operates independently to allow easy movement through narrow spaces and greater stability while standing * Unique U shape framedesign creates greater clearance Provides compression stability and support for the sacroiliac joint * Slimline design with adjustable tabs for a conforming fit * Color Black * To size measure around the hips