This gate kit fits openings 28-42.5” using the two included extension panels. It will not fit any opening smaller than 28". If your opening is larger than 42.5" you will require an additional extension, purchased separately.The Dreambaby Chelsea gate is loaded with features to help make your home a safer place. The gate can accommodate openings of 38-53" wide and boasts an extra tall height of 39.5". Using optional extensions sold separately, the gate can be extended up to 88"With the Chelsea pressure-mounted gate, installation is a breeze and using it is even easier. The gate allows for one-handed operation and the double action locking feature helps keep even the most curious toddlers at bay.Doing laundry, entertaining guests or carrying in the groceries? With the convenience of the Smart Stay-Open feature, the Chelsea gate can be made to stay open to allow for seamless movement throughout the home. For all other times, it has a handy Auto-Close feature, ensuring that the gate reliably closes every time.For added security, the EZY-Check indicator will help you identify if your gate is securely closed with just a quick glance. **Tip: The EZY-Check indicator is also great for helping to make sure that your gate is properly installed.