Cotton100% cotton? MATERIALS & CARE: 100% cotton pillow cover + Natural High-quality buckwheat hulls filling. The inner pillowcase have a hidden zipper, Liner it is refillable, you can adjust the loft of your pillow by removing or adding buckwheat hulls. Remove pillow cover and liner before washing, Do not wash filling, Filling can be placed in freezer for freshening.? COMFORT & RELAX: Handmade,smart ergonomic design,moisture-wicking,Calm and soothe the nerves. Neck Pillow have skin-friendly breathable Cotton fabric, can not afford the ball, do not fade. our buckwheat pillows are designed with the utmost comfort, durability, and versatility in mind., May relieve your sleeping problems, Make you feel very comfortable.? RELIEF FOR YOUR NECK: Whether your napping at home or in office our buckwheat hull pillow supports your neck and head in a natural position, make you more comfortable, more relax. and is great for reducing pain sleeping problems such as neck pain, muscle pain, stiff neck, headache, stress and tension.? Why Choose Buckwheat Pillow: Buckwheat hulls filling have been the secret to deep, restful, and ergonomically-correct sleep. we use buckwheat hulls for our pillows because we believe they are the best! Adjust the fill level to find your ideal fullness, replace your pillow??s filling as needed unlike synthetic pillows, and enjoy the benefits of pressure-relieving neck and shoulder support.??Sold Only By EDOMI -Nicelylx Store??: We’re committed to best Product quality and Service. If you have ANY ISSUE or CONCERNS for products, Please CONTACT US right away. We hereby promise that we will provide you with a satisfactory solution. >>>Note: Please don’t leave us a bad comment before we resolve your issue. Thanks very much!