4x Crystal Brightfield Dome Magnifier, Paperweight for Books Maps (BM-MG9029-3)
1. Do not put this product near fire source or at the place with high temperature. Sometimes the lens or the frame may deform or deteriorate for heat.
2. Do not drop or bend the magnifier, or shock it with strong force. It's very dangerous to cut the lens.
3. Clean the lens lightly with the soft cloth for glasses or the face tissues when it becomes dirty.