TARTARY BUWHEAT HULLS: Buwheat is divided into mon buwheat and tartary buwheat. The tartary buwheat of Lofe adjustable buwheat pillow helps eliminate fatigue and tens,and make you sleep more calmly. Our buwheat pillow filled with tartary buwheat hulls can relax your ne. We pi and use premium tartary buwheat hulls which are treated with high temperature. ADJUSTABLE HEIGHT: Side zipper provides a convenient way to add / remove buwheat filling and adjust the buwheat pillow’s height to your liking. SUPERIOR SUPPORT: Buwheat Hulls provide adjustable support for your head & ne to t maximum fort. The buwheat pillow helps eliminate fatigue and tens,and make you sleep more calmly. ORGANIC COTTON + AN EXTRA ORGANIC COTTON PILLOWCASE : t extra value and convenience! In addit to organic cotton ,we also include an organic cotton pillowcase as a plimentary item. Now you can easily remove and hine wash the pillowcase whenever you need,ensuring your buwheat pillow is always fresh and clean. BUWHEAT KEEPS YOUR HEAD COOL: The buwheat hulls of our adjustable buwheat pillow repel heat allowing air to flow between husks. ATTENT-BUWHEAT PILLOW'S CHARACTERISTICS: 1. Firmn,helps provide good support for your ne. 2. A slight sound when moving the head,the buwheat hulls have fluidity,allowing air to flow to keep your head cool. 3. A little odor,it is buwheat hull's orginal smell and don't worry,sleep on your adjustable buwheat pillow immediately is not harmful..