Soak up the sun’s rays with this hammock from Parks Project featuring Grateful Dead’s signature bears. Made from recycled polyester. Finished with a set of installation ropes and an attached stuff sack for packing away after your nap. Celebrating America's National Parks with a line of apparel, accessories and home decor, Parks Project adventures with purpose. Every purchase funds projects in National Parks, including vital wildlife conservation efforts, trail restorations, visitor education and more. They believe that together, we can leave our world better than we found it.