Seat Cushion, X-Large Memory Foam Office Chair Cushion, for Pressure Relief Sciatica & Pain Relief for Long Sitting Hours on Office/Home Chair, Car, Wheelchair

5-ZONE PRESSURE DISPERSION TECHNOLOGY: High-density memory foam with ergonomic contouring disperses pressure across 5 zones, reducing hip pressure by 33% for 12+ hours of seated comfort. Ideal for work, gaming, or driving. HIGH-DENSITY MEMORY FOAM ADAPTIVE SUPPORT: Slow-rebound memory foam dynamically conforms to your body shape, delivering personalized cushioning that adjusts to every movement for all-day comfort. 3D BREATHABILITY MATRIX: "U"-shaped hollow design with removable mesh cover dual-layer airflow channels prevents 72% moisture buildup. The non-slip rubber base is secure. Fits 95% of office/gaming chairs. PORTABLE SUPPORT SYSTEM: 5inch thickened rebound core with coccyx cutout and raised edge design targets leg/hip pressure points, alleviating sciatica, back pain, and numbness. Supports users weighing up to 450 lbs. CRUSH-RESISTANT DURABILITY: High-density foam withstands 20,000+ compressions and is wrapped in stain-resistant knitted fabric for long-lasting performance at home, office, or on the road. ›See more product details ›See more product details