Specification: Material: Polyester, Memory Foam Quantity: 1 PCS Color: Beige/ Black Weight: 0.99 lb Size: 15.7×12.2×3.0 inches Feature: Soft, Comfortable, Ergonomic Fit Type: Universal Fit More details about the wedge car seat cushion: -It evenly distributes your weight and helps relieve pressure points that may lead to discomfort. -The cushion is easy to maintain—simply remove the outer cover, machine wash it, and let it air dry. -With a two-in-one design, it effectively eases coccyx and lower back discomfort, enhancing driving comfort.