Seeking a better night's sleep or warmer rooms With these beautiful Cali curtains from Emma Barclay, you can Block out unwanted light and minimise distractions that could disturb you or your guests. The thermal Blackout construction also helps to filter heat. That means your room will stay warm in winter and cool in summer, promising the perfect temperature all year round. Made from hard-wearing polyester, these curtains are machine washable and quick drying for low maintenance cable. A metallic eyelet header makes them even more practical simply slot them onto your curtain rail and enjoy a darker bedroom or a warmer living room straight away.