• Spacious and comfortable size: This dog fence offers generous space for your dog to play, rest, and explore. It provides a comfortable place where your furry friend can move freely without feeling restricted. • Door gate for indoor and outdoor: The unique design offers an innovative alternative to traditional metal door gates, allowing you to install them on stairs, doors, hallways, as well as indoors and outdoors. • Extendable stair gate: The child safety gate with a maximum adjustable length of 110 cm can be adjusted to your stairs according to your needs. • Double locking mechanism: In case of unexpected unlocking, you can press and twist to lock and twist and pull up to unlock the double-secured locking mechanism from the gate to provide extra security for your child. • Convenient to use: Use the child safety gate with one hand to turn the knob counter-clockwise and pull to unlock and release. Then hold the handle and release the door with your hand to move the roller door to its locked position. The child safety gate is used for children and pets blocking entry and exit. Not recommended for medium and large pets.