1. Multifunctional Back Cushion: Experience comfort with our headboard backrest, crafted from soft, breathable velvet fabric that's both skin-friendly and durable. Filled with high resilience pearl cotton, this cushion provides back support, alleviating pressure on your neck, back, and waist. 2. Adjustable Triangle Backrest: Customize your comfort with the adjustable back cushion featuring a detachable cylindrical pillow. With three height options, you can easily reposition the headrest on the wedge-shaped cushion to find your support, whether you are reading, working, or relaxing. 3. Practical Details: Designed with attention to quality, our back cushion boasts clean edges and fine manufacturing. It includes a convenient side storage bag for your phone, remote control, or other small items. The flexible buttons and durable metal zipper make it easy to remove and wash, ensuring a fresh cushion each time. 4. Specifications and Use Scenarios: Available in sizes 45x45x20cm and 60x50x20cm, this cushion is suitable for prolonged sitting or resting. It can be used as an office chair cushion, headrest pillow, or a gift for Mother's Day, Father's Day, Christmas, or birthdays. Use scenarios include reading in bed or on the sofa to provide necessary neck and back support; office use to enhance seating posture and reduce fatigue; and relaxation time like watching TV or taking a nap to ensure comfort in various positions.