【Lockable】: Aluminum pet door with double panel locking, and the dog can enter and exit from both sides, lockable that also can prevent your pet from opening the door easily. for Dogs Below 30KG: Outer size: 35cmx44cmx6.5cm/; Inner Door Size: 26.5cmx35.5cm/; Hole Size: 28.3cmx37.1cm/.
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