Amazing Waterproof Polyester - Choice waterproof polyester material fabric, which the surface is coated with a PU layer to enhances the waterproof effect strongly. If you accidentally spill stains or water on the seat cushion, just wipe it up in time and instantly restored to its original state, choosing this bench cushion for outdoor furniture is a great choice. Ergonomic Design - Our bench cushions filled with 75D high-density superior quality sponge, providing additional support for your tailbone and reduce the pressure, which give you top-notch support and comfort. Even if you sit for a long time, it can quickly return to the original shape. Easy to Care - The bench cushion is durable and long-lasting. They are not only practical but also easy to clean.