The Peterbilt 387/587 Grey ZenEclipse Door Window Cover Set with Peeper Window Cover is a practical and efficient solution for truck drivers. This set includes driver and passenger door window covers, as well as a peeper window cover, all made with 7 quilted layers, an aluminum radiant heat barrier, 1/4 inch foam, and 3 layers of polyester. The suction cup makes installation a breeze, and the set is made in the USA. With its ability to fit most Peterbilt 387/587 models, this window cover set is a must-have for any truck driver looking to improve their driving experience.