42 X 84 Grommet Panel Insulates WindowsLet the Eclipse Curtains Kent Grommet Window Panel give your home an extra layer of insulation where you need it most. These panel curtains with grommet tops combine function and style. Eclipse curtains are designed to block out 99% of all outside light and reduce noise, creating an insulated environment while adding tasteful decor to your home. Sleep better at night and reduce heating and cooling costs by keeping your windows well insulated with this attractive window treatment.You will likely find a use for this light-blocking 42 X 84 Grommet Panel in every room in your home. Hang the panels in your bedroom to create a quiet, dark retreat. Make the picture on your TV pop by hanging a room-darkening panel in your den or living room. Let little ones sleep soundly all night by removing unwanted light and noise. The grommet top makes these curtains easy to hang in any room.