Spacious and Comfortable Size：This pet dog fence offers a generous amount of space for your dog to play, rest, and explore. It provides a comfortable area where your furry friend can move around freely without feeling restricted. Indoor & Outdoor Door Gates: The unique design offers an innovative alternative to traditional metal door gates that allows you to install on stairs, doors, hallways as well as indoors and outdoors. Extendable stair gate: The baby 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 behavior, you can push and twist to lock and twist and pull up to unlock the double secured locking mechanism from the gate to create additional security for your baby. Convenient to use: Use the baby safety gate with one hand to turn the button counterclockwise and pull to unlock and release.Then hold the handle and gently release the door with your hand to move the roller door to its locking position.The children's safety gate is used for children and pets that block the entrance and exit.Not recommended for medium and large pets.