Our innovative LightLock™ system, available with Duette^® Honeycomb Shades, has been painstakingly engineered with a unique U-shaped side-channel system that features rows of specially shaped micro-ridges, optimized to absorb or deflect nearly all incoming light. LightLock blends seamlessly into the window frame preventing light leakage that is inherent with most blackout shades. Available with LiteRise^®and PowerView^® Motorization.