- Removable and Washable: Featuring an independent inner core, this cushion includes a button decoration design and hidden durable metal zippers for easy removal and washing. The side pocket is perfect for storing pens, phones, or other small items, keeping your space organized. - Versatile Use: Ideal for use in bedrooms, deep sofas in living rooms, daybeds, bunk couches, dorm rooms, or any bed requiring firm and comfortable back support. This cushion also makes a thoughtful gift for family and friends. - High-Quality Material: Filled with high-density PP cotton, this back cushion offers excellent elasticity and durability. It maintains its shape and provides medium firmness for solid back support. The velvet cover is smooth, soft, and breathable for added comfort. - Ergonomic Design: The tufted button design offers scientific lumbar support, enhancing posture while sitting. This lumbar cushion helps prevent and alleviate cervical and lumbar discomfort, making it particularly beneficial for those with muscle tension or back pain. - Practical Applications: Use it while reading in bed, relaxing on the couch for a movie night, or studying at your desk. This cushion adapts to various settings, providing the support you need wherever you are. This cushion combines style, comfort, and practicality, making it a must-have for anyone seeking improved back support in their daily life.