Find the Perfect Fit: Actual blind is 1/2 ” (1.27 cm) narrower than stated size. Blinds will fit windows 3/8″ (0.95 cm) smaller and 1/2″ (1.27 cm) wider than stated size. Actual slat size is 1″. Engineered for privacy, these PVC blinds with no cords to get tangled are child and pet safe.