Sun Zero Cooper Curtain Panel in whites offers energy efficiency and elevated design with a woven texture complemented with a modern metal grommet top for easy hanging on a standard curtain rod up to 1.5″ in diameter. Sun Zero Thermal Insulated Room Darkening Curtains are laboratory tested to significantly reduce light exposure . offer outside noise reduction by up to 25% . and decrease energy lost through your windows by up to 40%. Comfort is optimized with thermal properties that help keep summer heat and winter chill out of your home. Hang in your living room for enhanced privacy . or in your bedroom for a sounder . more uninterrupted sleep.