The 48-Inch Waterproof Patio Furniture Cushions, Specifically Designed For Dimension Introduction: Each set includes a bench back cushion measuring 48? L x 18? M x 3'' H, ensuring a perfect fit for your outdoor furniture. Measuring the dimensions of your furniture before purchasing is an effective way to choose the right size cushions. Dual Waterproof Design: The cushions feature a dual waterproof design, including an inner TPU film for water proof, and an outer layer of Oxford fabric for additional protection against moisture, making the cushions ideal for outside use. Anti-Slip Strap Design: Equipped with anti-slip straps, the cushions are designed to stay securely in place on your outdoor furniture, providing stability and comfort. High Quality Cushions: The cushions are filled with full 3 inch thick foam, providing a high-quality, resilient padding that offers excellent support and comfort for extended outdoor seating. Higher Seat Experience: Elevate your outdoor bench seating with these durable, comfortable, and weather-proof cushions, adding a touch of luxury to your outdoor relaxation.