If you need a comfy pair of pants for cartoon watching on Saturday morning, look no further. These adult pajama pants feature a colorful graphic of Optimus Prime on the left leg. This comfy pair of pajama bottoms is made of high-quality, premium cotton and polyester material, and have been professionally printed to ensure long-lasting color and print quality. They can be machine washed in cold water with like colors, and tumble dried on low for easy and convenient care. The Transformers Optimus Prime Men's Black Sleep Pajama Pants are an officially licensed product, making them the perfect gift for fans!