Get ready for festive sing-a-longs in the car and send the kids to bed in these festive truck PJs to relive the fun while they snooze. The PJs from petit lem are made from the softest cotton rib to keep them at just the right temperature while they sleep or play. With a rounded neckline and an elasticized waistband, the pajamas are designed for quick and easy changing at the end of a great day.