These visually appealing fabric light covers filter out harsh glare to create a more calm and soothing environment. They can also reduce headaches and eye fatigue. Fits most 2' x 4' ceiling light fixtures. The fire-resistant fabric conforms to fire safety standards. Set of 4; each measuring 2’ x 4’. Easy installation - no tools required. Full coverage with no gaps - 10 extra-strong magnets help prevent the fabric from sagging. Subdues overwhelming fluorescent and LED light bulbs!