VERSATILE USE: We have two different sizes of pet fences for you choice. Can be used as a freestanding dog playpen to secure your pet inside, a safety gate for stairs, a dog barrier to enclose your stove, Christmas tree and etc, or a barrier to divide your room. Flexible shape and included wall-mounted hardware fulfill your personalized choice. QUALITY MATERIAL: This puppy pen is constructed of solid metal frame with powder coated finish to provide superior strength to resist against the heat of stove, suitable for daily use. AUTOMATICALLY CLOSE DOOR: This dog fence features an entrance allows your lovely pets to pass through without having to move the entire dog gate. And the door can be closed automatically when its opening angle is less than 90°, and remain open when goes over 90°. Note: The door won't close when its angle is less than 15°. EASY STORAGE: Foldable design make this dog stair gate for easy storage, you can place it beside the cabinet or under the bed when not in use. DIMENSION: Fully Extended Size: 300L x 3W x 74.5H cm, Single Piece Size: 60L x 3W x 74.5H cm. Suitable for small and medium sized dogs between 25cm and 50cm in height at the shoulder.