The Kenworth T400, T450, T600, T800, W900 ZenEclipse Tan Door Window Cover Set is a practical and efficient solution for your Kenworth truck. Made in the USA, this set features an aluminum radiant heat barrier, 1/4 inch foam, and 3 layers of polyester for optimal insulation. With suction cups for easy installation, this set fits most Kenworth T400, T450, T600, T800, W900 models. Protect your truck's interior from excessive heat and enjoy a comfortable driving experience with this high-quality window cover set.