The Dynarex Cervical Collar (10/Case) features a contoured, serpentine design to ensure patient comfort by allowing the chin to rest on the collar. Each collar includes a 6-inch extension piece to accommodate larger sizes and a synthetic cover that is machine washable. These collars are available in two different heights at Small through X-Large. There are also Universal size collars available. Configurations Dynarex Cervical Collar Configurations #4356: X-Small (3" x 13"). #4361: X-Small (3.75" x 13"). #4357: Small (3" x 15"). #4362: Small (3.75" x 15"). #4358: Medium (3" x 17"). #4363: Medium (3.75" x 17"). #4359: Large (3" x 19"). #4364: Large (3.75" x 19"). #4360: X-Large (3" x 21"). #4365: X-Large (3.75" x 21"). #4366: Universal (2.5" x 22"). #4367: Universal (3" x 22"). #4368: Universal (3.5" x 22"). #4369: Universal (4" x 22"). Literature Dynarex Cervical Collar Literature Dynarex Premium Emergency Products Sell Sheet Dynarex Cervical Collars Brochure