Dual Layer Zebra Roller Blinds provide light filtering and privacy blocking. The blinds are made of 100% polyester fabric, durable and having a good ventilation. Unique patented technology of LazBlinds: No-Tools No-Drill system don’t need to drill any holes on the window frame, easy installation could be finished in 30 seconds by anyone, perfect choice for renters and tenants. Flexible control with sheer mesh and high-density fabric slat provides both light filtering and privacy blocking for day and night. The actual size of blinds is 2/5 inch narrower than stated size for proper fit and smooth installation.