1.Cotton 2.[Better Support]: Triangular headboard pillow is made of fine cloth fabric. Headboard pillow is skin-friendly and soft.The embellishment of floral patterns adds to the classic feeling of the cushions. The high-quality pearl cotton filling ensures the elasticity and comfort of the backrest, which can be used for a long time. When the wedge backrest is compressed, it will immediately rebound and to the original full-loaded state. 3.[Washable Pillowcase]: The hidden double zipper design can prolong the life. It adopts multiple can detachable positioning buckles design prevents the backrest from being damaged due to long-term dependence. The cushion cover is removable and machine washable. After removing the cushion cover, it contains an independent liner. The details of the pillows side pocket for your phone/remote/glasses.So you don't lose it and it's easily accessible. 4.[Ergonomic Reading Pillow]: The triangular design of the support cushion supports your back, neck and waist. Maintaining a correct posture while relaxing can help reduce pain. The thickness of 20cm can make the cushion pull without deformation, and the elasticity is high. The rest cushion can provide better positioning support for a long time. Don't worry about the support pillow collapse. 5.[Multipurpose Headboard]: Oversized cushion bridges the gap between the wall and mattress, serves as a backrest for comfort and a sturdy headboard;Converts day bed to sofa or twin beds to sofa bed ;Protects children as a cushion pillow;Caravan headboard.The bed backrest fits any standard bed. The headboard support pillow can be used as an alternative to a hard headboard.