This Pillow Is Anatomically Designed To Follow The Natural Contours Of Your Head And Neck For Total Sleeping Comfort It Supports And Aligns Your Spine As Nature Intended So Tense Tired Muscles Can Relax Rest And Revive Themselves Ideal For Back Or Side Sleeping Sized To Fit Any Standard Pillow Case Polyurethane Foam With White Washable Cover Size: 16 W X 19 L X 5 H