●【Contour Design】Two heights 4.2 inches (the higher side) and 3.4 inches (the lower side). ●【Ergonomic Design】This pillow is designed for various sleep positions like side sleep, supine sleep and back sleep because its curve fit supports your head, neck and shoulder perfectly. ●【Ventilated design】The pillow core has 120 breathable honeycomb holes, which can maximize the air circulation and make the sleep cool and comfortable. ●【Soft Pillowcase】Both outer and inner pillowcases are skin-friendly and prevent damage to the pillow core. Furthermore, the high-quality zipper does not slip even after repeated use. ●【Your Best Sleep Ever】If you don’t fall in love (although we’re sure you will), contact us directly to return the pillow for a full refund, no questions asked. Best gift for your family and friends.