ALEKO Light Grey Color 42 x 63 Tie Up Curtains Shade Thermal Insulated Blackout Curtain The Tie-Up Curtain Panel is both a practical and beautiful choice for any window. Fashionable tie-up design. Made with 3 pass blackout fabric, block out 99% of light and reduce noise. Can be hung from a standard or decorative curtain rod. Blackout curtain insulate against cold and heat, saving you money and energy. Machine washable for easy care, machine wash cold, tumble dry, do not bleach.rtain insulate against cold and heat, saving you money and energy. Color: Light Grey color. Size: 42 Inch x 63 Inch. Material: Polyester.