Medium Manufactured with high quality foam, covered with a smooth soft material made of cotton that makes its contact with the skin more comfortable, allowing the absorption 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 15.55" 3 17 32" 1" Cm 39.5 9 2.5 M Inches 16.75" 3 15 16" 1" Cm 42.5 10 2.5 L Inches 19.5" 4 5 16" 1" Cm 49.5 11 2.5