reading pillow: The large triangular wedge headboard pillow fits snugly against your mattress. Note: the backrest is compressed. Remove the vacuum bag, shake vigorously for 5 minutes, and allow 48 hours for the pillow to restore its original fluffy shape. quality: The pillow cover is linen fabric, and the insert is filled with polyester fiber. This combination provides density and resilience for longlasting comfort when leaning against the headboard. To remove the cover, unzip the pillow, remove the cover, and unbutton the fastenings. Humanized design: Ergonomically shaped to help prevent various health issues, this wedge headboard pillow contours to the body while offering support for the back, arms, neck, and shoulders. Multipurpose and occasions: This large bed wedge pillow can be used in many ways, including as a couch pillow, backrest pillow, leg elevation pillow, knee pillow, or headboard wedge pillow. It is ideal for maximum comfort when working on a laptop, watching TV, or playing games in bed.