Made of soft, polyurethane foam. One size fits most. Velcro tabs for
easy secure and closure. Provides comfortable neck support and reduces
head and cervical vertebrae movement. Promotes proper healing while
preventing additional injury. Works great for fractures, pinched nerves,
herniated discs, muscle strains, and sprains. Ribbed stockinette cover
promotes air circulation, reduces perspiration and heat build up. Extra
stockinette cover is removable for easy cleaning. Comes in 3 different
sizes for an ideal fit: 2.5", 3.25" and 4"