Ergonomic Design Lumbar Pillow: Enjoy ultimate comfort with our ergonomic lumbar support pillow, featuring contoured sides that perfectly conform to the lower and middle upper back. Relieve pressure caused by prolonged sitting or driving, while the central bulges aim to maintain the natural curve of the spine and promote blood circulation.

Perfect Size for Entire Back Pain Relief: Measuring 17.3"x15.4" (H x W), our office chair back support cushion supports your upper back, and covers your entire waist and lower back. Suitable for sedentary office workers, drivers, students, pregnant women, and those recovering from back surgery or in a wheelchair, providing unprecedented comfort.

Memory Foam & Breathable Pillowcase: Our back pillow features a memory foam core and 3D mesh pillowcase, providing enduring comfort throughout your workday. The washable case ensures maximum hygiene and easy maintenance. High-density memory foam will never flatten after long-term use (Note: Foam core is not washable).

Dual Adjustable Straps: With 2 adjustable elastic straps, our chair back cushion attaches easily to your chair without slipping or sliding. The lumbar support pillow fits on any size office chair, computer chair, armchair, sofa, couch, or car seat.

Excellent Gift for Loved Ones: The ProtoArc lumbar support pillow promotes healthy posture and provides better back support to prevent or alleviate discomfort. It's an ideal gift for Valentine's Day, Father's Day, Mother's Day, Christmas, and New Year's. Give it to your friends and family for a thoughtful and practical present.

After Sales Customer Service: Customer satisfaction is our top priority, and we provide a 2-year warranty. If you have any inquiries about this product, please feel free to contact us directly. We're always here to assist you.