Features * Each Gate Fits openings from 28-35.5 inches * Extends up to 39 inches using optional extensions * Height of Gate 29 inches * Includes Two Extensions 3 1/2 inches Each, one for each gate * Suitable for doorways, top and bottom of stairs and wide doorways * Gate swings closed automatically * One-handed operation for adults * Great for pets too * 29 inches high * Double locking systems for added security and extra safety * A maximum of 2 extensions can be used, larger Extensions Sold Separately * Only one extension on each side