Information about the Leatherback Sea Turtle: The Leatherback Sea Turtle is the largest living reptile in the world. Adults can grow up to nearly 6.5 feet (2 meters) and weighing over 2000 pounds (900 kilograms.) Unlike all other sea turtles, the Leatherback carapace consists of leathery, oil saturated tissue overlaying loosely interlocking dermal bones, whereas the other sea turtles of the world shell’s are hard and bony. These animals are critically endangered and there are many active conservation projects to help protect them. The poster is printed on matte, museum-quality paper with Giclée printing quality: • Paper thickness: 10.3 mil • Paper weight: 5.6 oz/y² (192 g/m²) • Opacity: 94% Buy a Digital Download