Design a head rest that matches perfectly with your car seats! Great for office chairs as well to keep your neck and shoulders stress free. Cushion case material: 100% Polyester Filled material: 100% 3D polyester fiber Filling weight: 220g Approx. dimension: 10.5''(27cm) x9''(23cm) x 4''(11cm) Note: Cushion come vacuum packed. Please hand fluff cushion to retain its shape once opened