Enjoy 20% Off Plus Volume Discounts Combi blinds/shades, also known as zebra shades, uses dual layers of horizontal fabric segments alternating between sheer and semi-opaque or opaque fabrics. Shade can be set to open where vanes between the two layers are aligned or closed to cover the sheer portion. Or they can be complete rolled up into the headrail. Provide view-through and visual privacy. Shades block up to 99% of UV rays when closed.