A Cafe Zipper blind is usually made with clear or tinted PVC materials. Referred to as a “bistro blind” as you often see them on bistros, cafes or restaurant alfresco areas. Bistro blinds are a versatile outdoor blind and can be installed residentially as well as for commercial purposes.These blinds operate via zipping/unzipping the sides and using a rope and pulley system to roll up and roll down the blind from the bottom.