Removable designer cover for easy cleaning and freshness: the cover can be removed via the zipper and machine washed. Important: the foam core should not be washed to keep the pillow hygienic and comfortable. quality materials: the cover is a robust polyester cotton mix, while the core uses quality memory foam that adapts to your head and neck shape. The breathable foam promotes a comfortable, cooler sleep. Note: a slight odor may occur with pillows; ventilate for 27 days in a wellventilated area. Two heights for individual adjustment: the pillow offers comfort with two different heights. The higher side is ideal for back sleepers, while the flatter side can be used universally. Simply select the right height for you. Ergonomic support: specially shaped to support the head, neck, shoulders, and upper back. Promotes a natural spine alignment and helps you sleep more relaxed, making it suitable for anyone focused on healthy sleeping. Practical applications: At home in bed or on the couch for bedtime neck support and relaxation. During travel or work breaks to maintain proper neck and spine alignment. For short naps or after physical activity to reduce neck strain and improve rest.