This cobalt blue glass rock is a must-have for your landscaping, decorating, and aquarium projects. It has a unique color that will inspire you to create beautiful projects. The rock is a non-standard decorative item weighing 8.8 lbs and measuring 9 inches in length and 6 inches in height. It is made of man-made material and of United States origin. Use this rock to add a unique touch to your project!