These cast iron creatures are ready to add some fun and maybe even a little whimsy to your hides. With a waterproof container and log sheet included, they are ready to go! Just lift the back and you will find a magnetic container with the official Geocaching logo and a log sheet already inside. All you need to do is find the perfect spot to offer delighted discovery! These creatures are a two piece cast iron set. The back is not attached, it just sits in place. A plastic waterproof and magnetic container with log sheet is included. Dimensions: Approximately 4 inches x 2 inches. Container is approximately 1.5 inches in diameter.