YOOBEBEST Lumbar Support Backrest for Office Chairs - Computer Chair, Gaming, Work from Home, Ergonomic Back Cushion for Pain Relief, Posture Improvement, Floor Seat, Meditation Chair (Blue) Includes the main unit and original box. The original box has some damage. This is an unused item, but please understand this before purchasing. *Please note that this product is made overseas, so there may be minor scratches or stains. *Please note that we cannot ship to Okinawa, remote islands, Hokkaido, or Kyushu. [Ergonomic Back Support] Ergonomic design for office chair back support. The backrest fits the unique shape of your back and maintains the natural shape of your spine. Specially designed for those who experience discomfort in their lumbar region when sitting for long periods in the office or at home, providing comfortable seating for long-term office workers and gaming enthusiasts. [Sturdy and Durable Frame] This chair back support is made of a solid structural frame, comfortable and breathable fabric, and elastic sponge, providing excellent comfort. [Backrest System] Surrounds the muscles of the spine. Keeps your back and spine in an ideal posture. Significantly reduces pressure on the spine, bringing truly blissful seating comfort. Develop healthy sitting habits, say goodbye to back pain, and enjoy the comfort of sitting for long hours throughout the day. [Sturdy and Durable Frame] This chair back support is made of a solid structural frame, comfortable and breathable fabric, and elastic sponge, providing excellent comfort. [Multi-Purpose Back Chair] Place it on office chairs, gaming chairs, beds, sofas, floors, school chairs, desks and chairs, computer chairs, etc., for comfort in every corner. [Excellent Performance] Not only provides comfortable and effective lumbar support, but also relieves back pain and effectively corrects and improves posture. [6-Layer Design] Unlike standard backrest designs, this lumbar support seatback stands out with its innovative 6-layer composite wrap-around structure. Advanced engineering not only provides superior durability and strength but also enhances aesthetics.