Designed for Peterbilt OEM armrests: Compatible with Peterbilt 579 and 567 factory seats featuring 17.5" armrest length; engineered for a precise, factory-style fit. Premium durable fabric: Soft-touch, high-quality fabric helps protect armrests from scratches, wear, and dirt while adding comfort for long-haul driving. Complete left & right set: One package includes both armrest covers to ensure balanced protection and a uniform, professional interior appearance. Easy slip-on installation: Tool-free installation with a custom-fit design that stays securely in place during daily driving and long hauls. Comfort & interior protection: Ideal for owner-operators and fleets looking to maintain a clean, fresh cab while improving armrest comfort and longevity. Upgrade and protect your truck interior with this premium armrest cover set, engineered for a precise factory-style fit on Peterbilt 579 and Peterbilt 567 OEM seats equipped with 17.5-inch armrests. Designed with professional drivers in mind, these armrest covers deliver enhanced comfort, long-lasting durability, and a clean, professional appearance ideal for both daily driving and long-haul operation. Crafted from high-quality, soft-touch, durable fabric, the covers provide a comfortable surface while helping protect the original armrests from scratches, wear, dirt, and everyday use. The material is designed to withstand frequent contact while remaining comfortable during extended driving hours, making it a practical upgrade for owner-operators and fleet vehicles alike. The custom-fit slip-on design follows the shape of the OEM armrests, ensuring a snug, secure fit that stays in place during normal driving conditions. Installation is quick and tool-free, requiring no permanent modifications—simply slide the covers on for an instant interior refresh. Once installed, the covers maintain a neat, factory-inspired look without shifting or bunching. Each package includes a complete left and right armrest cover set, providing balanced protection and a uniform appearance on both sides of the seat. Designed for everyday professional use, the fabric is easy to maintain and can be spot-cleaned as needed to keep your cab looking fresh and well cared for. Fitment notice: These armrest covers are designed specifically for OEM stock armrests used in Peterbilt 579 and Peterbilt 567 models with 17.5-inch armrest length. Please review the product images and measurements in the gallery before purchasing to confirm compatibility. Ideal for drivers who value comfort, protection, and interior longevity, this premium armrest cover set helps preserve your factory armrests while enhancing the overall look and feel of your Peterbilt cab—mile after mile.