Crystal Dome Paperweights: This elegant set comprises 4 single-sided convex lenses, measuring 1.9x0.9 inch, serving double duty as enlarging fonts and decorative accents.It cannot be used to hold down heavy books. Optically Lenses: Crafted from K9 crystal with smoothly polished edges, these lenses offer exceptional clarity and distortion-free magnification for a superior visual experience. Practical Magnifier Glasses: Ideal for reading fine print, these lenses serve as handy magnifying glasses, making them thoughtful gifts for elderly parents or friends who may require assistance with reading. Portable & Long-Lasting: Compact and durable, these prisms are easy to carry and can withstand repeated use, making them reliable companions for both home and classroom settings. Educational Tool: Perfect for hands-on learning, teachers and students can utilize these glass prisms in the Physics classroom to demonstrate light refraction. Enhance your reading experience or add a touch of elegance to your workspace with this 4-piece set of 1.9inch Crystal Dome Magnifying Paperweights by QFkris. These single-sided convex lenses, measuring 1.9 x 0.9 inches, offer clear distortion-free optics, making them perfect for reading fine print or serving as decorative accents. Crafted from high-quality K9 glass, these lenses provide exceptional clarity and are ideal for hands-on learning in Physics classrooms. Portable and durable, these paperweights are easy to carry and can withstand repeated use, making them reliable companions for both home and classroom settings. Experience the difference of superior magnification and style with these Crystal Dome Magnifying Paperweights.