100% K9 Crystal -- This Galaxy crystal ball is made of Newest Upgraded Version Premium K9 optical crystal,completely transparent and no bubbles. Very Realistic -- Use advanced 3D Inner Laser Engraved Technology, the Galaxy is clear, distinct and stereoscopic. You can hold the whole space and universe in your hands, feel the energy of the entire universe to clear your mind. High Quality -- Unique surface treatment it has been formulated for extreme durability, as well as scratch resistant. We are so confident in the quality of Our products, we guarantee you will be satisfied with your purchase. If for any reason you are not 100% fully satisfied we will gladly offer you a complete refund. Cleaning Accessories -- We present a professional wiper cloth. When you feel your crystal ball is covered with fingerprints or gray layers, you can use Our wiper cloth to wipe to keep it clear. Exquisite Gift & Decor -- This Galaxy Crystal Ball paperweight is not only a decorative ball, gift box packaged make it also a very cool science gift for your family, friends, kids, boy/girlfriend , astronomy lover , physics teachers , classmate.