Complete Medical Features: -Neck pillow. -High and low end allows to shoos the height and comfortable. -Fits standard size pillowcases. -Atmosphere open cell technology. -Properties which deliver not just peace of body but peace of mind. -Open cell technology. -Comprised over 100 tests for hypo allergenic properties, prohibited azo dies, carcinogenic and allergy. -Inducing dyes, formaldehyde, esticieds, chlorinated phenols, chloro organism carries, heavy metals, ph value, and emission of volatile compounds. -Overall dimensions: 13" H x 20" W x 4" D.