Our crystal ball is made of good quality clear transparent K9 crystal glas material, suitable for:decorations for house, office, restaurant, party, banquet, stores or any other occasions; props for photography. How to use: Put the crystal ball in front of the backgroud in an appropriate distance. Make you phone lens or carema lens focous on the crystal ball to make the scene in the crystal ball clear. Use a large aperture, background blur, blur. The crystal ball such as a convex lens will compress a wide scene and display it as a fisheye or a macro to enlarge the object. Put the wipe cloth and crystal ball together in our gift storage pouch to protect your crystal ball when not using. Quickly buy it! Let's explore this interesting world! ▲Note: Please avoid prolonged exposure to direct sunlight. The clear crystal ball will act like a magnifying glass and can start a fire. Keep that in mind and don't leave it unattended, we suggest to keep it inside the microfiber cleaning pouch. Contact us: We are 100% Satisfaction * Seller. If you have any problem,please feel * to concat us,we will solve it immediately. Welcome to share your advices or beautiful photos on our Amazon product page.