1" H x 18" W x 50" L Upholstery Foam Cushion High Density

This High Density Foam cushion is UV protected so it won't lose performance in the sun and will last season to season. High Density Foam has a Compression Rate of 35lbs. High Density Foam will remain responsive longer, it features the perfect amount of cushioning and stiffness. High Density Firm Quality Foam is designed for heavy traffic and high use applications. It features both Soft and Quality Firm texture for everyday comfort and durability.