Product details About this item Material composition 100% Polyester Care instructions Machine Wash About this item Officially Licensed Caterpillar Merchandise Caterpillar Boys' Pajama Set Relax in comfort and style EASY CARE: This product is crafted from high quality fabrics, making it easy to care for and bedtime routines a breeze. To keep laundry headaches to a minimum and ensure items hold up after repeat washing, please use detergent and tumble dry low.