3-Pack Diffraction Glasses, Heart Special Effect 3D Light Sunglasses

These heart-shaped diffraction glasses transform direct light sources into a visible heart pattern using an environmentally friendly polycarbonate construction. The frames allow for flexible positioning over the eyes, head, neck, or hat brim. 1. Built from waterproof polycarbonate that resists breaking and ensures long-term durability. 2. Features a specialized lens that refracts light from any angle into a consistent heart-shaped projection. 3. Frames can be positioned over the eyes, rested on the head, hung around the neck, or attached to a hat brim. 4. The heart pattern becomes visible exclusively when viewing direct light spots and remains inactive in normal lighting conditions. 5. Suitable for use at music festivals, carnivals, parties, bars, and fireworks displays.