High Elasticity and Fluffy Inner Core: Our triangular wedge pillow for bed headboards is filled with durable, high-quality PP cotton, making it highly elastic and fluffy. It's comfortable, breathable, maintains its shape well, and offers good elasticity, providing maximum support and genuine comfort. Large Back Pillow: The triangular wedge shape of the pillow promotes healthier and more comfortable posture for your back and waist. It protects your head, neck, shoulders, back, and waist, offering warm reading support and promoting good posture. It measures 50 cm high and 20 cm thick. Ergonomic Design: The side pocket is convenient and practical. Fine craftsmanship, clean edges, flexible buttons, and high-quality zippers that can be removed and washed repeatedly add a unique touch to your bedroom. 3-in-1 Multifunctional Pillow: You can use the pillow upright as a backrest, lay it flat on the bed as a pillow, or use it as a leg pillow to elevate your legs. It can serve as a long wedge pillow when sleeping on your back or side.