Memory Foam Seat Cushion, 18.5″ Extra-Wide L-Shaped Ergonomic Seat Cushion for Sciatica & Tailbone Relief, Lumbar Support Pillow for Office Chair, Car, Gaming Chair & Wheelchai

• Extra Wide Ergonomic Seat Cushion: 18.5" extra-wide L-shaped memory foam seat cushion supports hips, tailbone, and lower back in one piece. Ergonomic contour promotes proper posture, while the built-in lumbar support seat cushion stays in place. Helps relieve sciatica pain, tailbone pain, coccyx pressure, and lower back pain from long sitting. Ideal for long drives, office work, or home seating.
• High-Density Memory Foam Cushion : Made of premium high-density memory foam, this ergonomic seat cushion keeps its shape and firmness over time. Provides long-lasting support for back pain relief, sciatica support, and pressure relief during extended sitting.
• Breathable Coccyx Cutout & Non-Slip Bottom: The memory foam seat cushion features a center cutout to reduce pressure on the tailbone and improve airflow to prevent heat buildup. Non-slip base keeps the seat cushion secure. Removable, washable cover is soft, breathable, and skin-friendly.
• Versatile & Portable: The ergonomic chair cushion fits office chairs, car seats, gaming chairs, wheelchairs, dining chairs, and more. Lightweight and easy to carry, turning any hard seat into a more comfortable experience.
• All-Day Comfort & Easy Care: Perfect ergonomic memory foam seat cushion for long-lasting comfort whether you’re working, driving, or relaxing. Vacuum-packed for shipping—allow 1–3 hours to fully expand. A slight odor is normal; air out for a few days to dissipate.

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1 Large Size 2 Breathable Design 3 Thick & Supportive 4 Non-slip Bottom