CUSTOM DESIGN - The Jurassic Park men's graphic sleep pants feature a big, bold graphic that has been professionally printed to ensure long-lasting print quality. DRAWSTRING - The Jurassic Park fan apparel men's sleep pants include a drawstring waistband for comfort and functionality. OFFICIALLY LICENSED - The dinosaur logo men's graphic sleep pants are officially licensed and 100% authentic, making them a perfect gift for any Jurassic Park fan. HIGH-QUALITY - The Jurassic Park graphic sleep pants are made of high-quality cotton materials. CARE INSTRUCTIONS - The Jurassic Park franchise men's drawstring sleep pants can be machine washed on cold with like colors, then tumble dried for quick, easy care. We spared no expense when it comes to the style and comfort of these men's black graphic sleep pants! The dinosaur logo and warning code sleep pants feature a big, colorful graphic that has been professionally printed to ensure long-lasting print quality. The Jurassic Park franchise fan apparel loungewear is classic black, and includes a drawstring waistband for maximum comfort and functionality. The sleep pants are made of 60% cotton and 40% Polyester. They can be machine washed in cold water with like colors, then tumble dried for easy care. The dinosaur logo sleep pants are an officially licensed product, and make a perfect gift for fans of Jurassic Park.