Are decorative stones that are not stones at all. They consist of either steel or cast iron and combine the decorative with a sustainable way of recycling residual products from the iron foundry. They have a diameter from approx. 5 to approx. 25 mm and is packed in vacuum packs with 15 pieces. in each. That might not sound like much, but it's a pretty eye-catching size. Mars Rocks have a rustic look and can be used for many decorative purposes as they are all worn in individual shapes. The starting point in their geometry is star, rectangle or circle.