Calm and soothe students by decreasing glare, and help prevent eyestrain, headaches and anxiety in students. These fabric panels fit over standard fluorescent ceiling fixtures with sturdy sewn-in magnets. Each set includes four 2’ x 4’ heat-resistant panels in either Whisper White or Tranquil Blue. For use with fluorescent lights only. Include Certificate of Compliance for flame retardant. This is a great item for special needs.