1. Material: The cover is made of quality cotton and linen fabric, moistureabsorbent, breathable, and comfortable. The triangular pillow insert is filled with density pearl cotton, providing back support, durable, removable, and washable, soft yet resilient. 2. Size: 100x20x50 cm (39x8x20 inches) 3 buttons; 120x20x50 cm (47x8x20 inches) 4 buttons; 150x20x50 cm (59x8x20 inches) 5 buttons; 180x20x50 cm (71x8x20 inches) 6 buttons; 200x20x50 cm (79x8x20 inches) 7 buttons. 3. Multifunctional headrest pillow: It can be given to family, friends, loved ones, elderly parents, physical laborers, and yoga enthusiasts who love indoor fitness. Helps maintain good posture and provides you with restful sleep and relaxation. 4. Zipper and button design: The bedside table pillow features buttons and a zipper. The cover can be easily removed, with a dustproof lining, making it simple to take off and wash, ensuring double protection for a healthy pillow.