Fluorescent lights are a staple in classrooms, but their harsh glare and flickering light can cause eyestrain, headaches, and anxiety in students. Cover your classroom fluorescent lights with these fabric panels that fit over standard ceiling fixtures with sturdy, sewn-in magnets. Each set includes four heat-resistant panels. For use with fluorescent lights only. Lighting Effect Type: Dimming/Diffusion Filter; Graphic Design: Tranquil Blue; Color(s): Blue; Color Family: Blue.