Massage Setting To Relax Lower Back Or 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 Cars Headrest For Added Neck Support * Made With Polyurethane Foam * Elastic Strap Holds The Obusforme Supporting Roll With Massage 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 * Battery Operated - 4 Aa Batteries (not Included) *