Lot includes 2 marbles, each is 1 3/8" (35mm) in size. Beautiful colors. These are new and in mint condition. These Lustered Blue boulders are a clear blue glass with an iridescent "metallic" like finish. The color and look changes with the lighting direction. All of the photos shown are of the same 2 marbles in different lighting conditions. The stock photos are a representation of what you will receive, each marble is unique and will vary slightly from photos.