The Wingmaster Peterbilt Right Side Under Bunk Sleeper Trim is a practical and durable addition to your Peterbilt 359 truck. Made of stainless steel, this trim is sold individually and fits most Peterbilt 359 makes and models. Its right side under bunk design adds a sleek and functional touch to your truck's interior. Upgrade your truck's appearance and functionality with this high-quality sleeper trim.