NEW! Your favorite Classroom Light Filters now come in a brand new size that fits 2’ x 2’ square light fixtures. Create a calming classroom or office with these revolutionary light filters that diffuse the harsh glare of fluorescent lights while reducing flickering and eyestrain. Made of heat-resistant fabric, these effective light covers attach to square-shaped ceiling lights with 6 sturdy, sewn-in magnets. Square Classroom light filters are an excellent choice for students and others who are sensitive to light, have seizure disorders, and other neurological sensory differences that results in visual or light sensitivities. You'll be in awe at what a difference a light filter can make! All of our premium quality light filters meet NFPA701 fire safety standards. Come in 4-piece sets in your choice of Tranquil Blue or Calming Clouds (the Tranquil Blue filters are a pretty aquaish blue color and the Calming Clouds feature fluffy-looking white clouds on a light sky blue background).