Choose Bali essentials blinds and shades for popular colors and styles at a value. These 3/8 inch blackout cellular shades, which come with a color-coordinated head rail and bottom rail, complement decor with a simple, clean look. Available with cord control on the ride side, 3/8 inch blackout cellular shades block the most light and are energy efficient, helping to keep your rooms warmer in the winter and cooler in the summer. All necessary hardware is included for easy installation; this product has a limited lifetime warranty. If you plan to mount your shades inside your window frame, please round your measurements down to ensure a proper fit as we do not make deductions for inside mount.