Truck Seat Cushion, 2PC 100% Memory Foam Seat Cushion for Truck Driver, Truck Driver Seat Cushion & Back Support, Semi Truck Accessories for Men -Seat cushion-18x14.5x3.5in, Lumbar Cushion-16.5x15.4x5

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• Combined with the scientific data from medical lumbar spine correctors, most drivers' back pain is caused by prolonged muscle tension, so the Extra large size supports most of the body's muscles. Extra large size meets the size of all cars on the market, you can rest assured that you can buy for your car.
• We use the new 100D high-density memory foam, which has excellent pressure-releasing properties and improves discomfort and fatigue caused by prolonged sitting. The curvature of the backrest conforms to ergonomic design, reducing the gap between the lumbar spine and the seat, fitting the lumbar back to provide strong support Uniformly release the pressure from the neck, back and lumbar region, so that drivers in the long-distance driving in the body to get relaxed.
• 3.5in thickened booster car seat cushion can help you expand your vision while conforming to the ergonomic "0" shaped hollow design. Reduces weight on the tailbone and lower back during long drives or road trips All-weather sitting comfort Ergonomic contours promote proper posture and spine straightening, redistributes lower body weight, and keeps you comfortable even after long hours of sitting.
• The two-piece set: the seat cushion supports the hips and tailbone, and the lumbar pillow supports the back. Together, these cushions provide far more support and comfort than either the seat cushion or lumbar cushion alone. The size of the seat cushion is 18x14.5x3.5in and the size of the lumbar cushion is 16.5x15.4x5in.
• The fabric is made of high quality breathable fabric to ensure your back and hips stay cool and dry during long drives, and the non-slip rubber bottom ensures that the cushion stays in place while driving. Machine washable zippered breathable cover is easy to clean, just remove the cover and put it in the washing machine for a new look.