1. Double locking device,double safety guarantee 2.it can be automatically return after opening 3.environmental material Auto-Close Gate eliminates the danger of a gate being left open. The door automatically closes and locks by itself. Gate swings open in both directions Fits all standard doorways 29" to 34" wide, and will fit openings up to 58" wide with Gate Extension Kits (sold separately) Height: 31" Pressure-mounted design that won't mar walls or doorways No tools required in fitting

Pet Dog Safety Gate