Project Source Light filtering vertical 3.5-in Slat Width 78-in x 84-in Cordless White Vinyl Light Filtering Vertical BlindsProject Source 3. 5 in cordless white vinyl light filtering vertical blinds give your windows a stylish, modern look. Vertical blinds are ideal for larger windows, floor to ceiling windows and sliding patio doors Cordless wand design is safe for children and pets Light filtering slats Use the wand to open, close or rotate to the desired position Valance included to provide a graceful look Louvers can be easily trimmed to desired length The blinds can