? WAOWAO extra wide baby gate pet gates with walk through door has a triple lock system and adapts to different opening sizes through the combination of the main door rail + extension piece, from 25.59 to 81.49 inches.Extra wide puppy gate no drill with 4 pressured adjustment bolts for stairs/doorways, single-hand easy walk-through no tools required install for baby/dogs/cat! Product Feature: Durable & Sturdy Material Convenient One-hand Operation Auto-closed Design to Save Your Time Sturdy Enough to Keep Your Baby Safe Triple-Locking Design for Extra Security Dual-swinging Doors Convenient to Use Pressure Mounted Convenience to Move and Install Size: Width 25.59''-81.49'' Tall 30.6" Box Components: 1 piece baby gate +1 box of accessories + installation manual. Attention: 1.The gap between the door latch and the frame is not a defect. 2.Do not cut the tie that holds the door to the gate before installing.(Very important) 3.Tighten the top adjustment bolts to lock gap until to the indicative stripes?Most Important? 4.If you can not open the gate,pls loose the upper two bolts. 5.This product will not necessarily prevent all accidents, please never leave baby unattended. " 6.The bottom of the main door bar is equipped with two peanut locks to control the doors openning direction and locking.