Key Features :
i : CREATE A CALM AND COOL ENVIRONMENT: Create a calm and soothing environment with Calming Clouds Light Filters! Light filters decrease the glare and flickering from overhead fluorescent and LED lights, enabling better focus and concentrationii : REDUCE HARSH GLARE THAT CAUSES HEADACHES: Harsh glare and flickering lights can cause eyestrain, headaches, even anxietyiii : EASY INSTALLATION: 4 panels fit over standard fluorescent and LED ceiling light fixtures with sturdy, sewn-in magnets, creating a soothing working environmentiv : HEAT-RESISTANT AND CERTIFIED SAFE: This set includes four 2' x 4' heat-resistant Classroom Light Filter panels and a Certificate of Conformance for flame retardancyv : FOR SCHOOL, OFFICE, HOME, OR HOSPITAL USE: Light filters are perfect for any space with ceiling lights and fluorescent or LED lighting, including the classroom, office, clinic, studio, or hospital. Great for home decor in the playroom or nursery too!