Room Darkening Cordless Vinyl Blinds: Reduce heat and help save on the electric bill while darkening your room with the Achim Home Decor CO GII Luna Cordless Room Darkening Blinds. Engineered for privacy, these vinyl blinds with no cords to get tangled are child and pet safe. Blinds will fit windows 3/8" (0.95 cm) smaller and 1/2" (1.27 cm) wider than stated size. Actual blind is 1/2 " (1.27 cm) narrower than stated size. Actual slat size is 2".