• Memory Foam
• 100% Memory Foam: Our memory foam chair pads use thick, high density memory foam can keep its shape and provide support hardness, make you feel soft and comfortable, perfect for people spending a lot of time driving and sitting
• Ergonomical Design: The tailbone cut-out with 2 hollow holes(4.3*3.1 inches) and ergonomic contours, helps you maintain better posture to relief lower back pain, neck pain, tailbone ((WARNING: this item can only relief pain, cannot replace medical instrument)
• Detachable Cover: Come with zippered cover, which is removable and washable, and cover fabric is colorfast and won’t fade or bleed in the wash, so you can machine-wash with other clothes, not worry about staining your pants and chair
• 3D Spacer Mesh: Help with ventilation and keep the cushion from getting too warm to discharge excess heat from your body, also won’t retain odors and smells
• Universal Fit: Measures 17.7 x 15.3 x 4.7 inches( hole size: 4.3*3.1 inches) , fits all kinds of chairs, like computer chair, car seat, wheelchair, even seat on bus, airplane or train. Perfect for office workers,drivers, people in wheelchair, great for car, truck, train & airplane travel