Medium Manufactured with high quality foam, covered with a smooth soft material made of cotton that makes its contact with the skin more confortable, allowing the absortion of sweat Recommended for: Light injuries Torticollis and as a complement to neck support during sleep time Sizes available: Size Measure Long Wide Height S Inches 18.5" 3 15 16" 1" Cm 47 10 2.5 M Inches 20.5" 4 5 16" 1" cm 52 11 2.5 L Inches 21 1 4" 4 5 16" 1" cm 54 11 2.5