Material: ABS (smooth surface, very strong); Size: 23.5CM * 25CM * 5.5CMMulti-mode: Four modes to adjust, Mode1: Red button on the right. The blue button on the left, (access + exit) allows. Mode2: Red button on the left. blue button on the left, (access + exit) prohibited. Mode3: Red button on the left. blue button on the right, access allows + exit prohibited. Mode4: Red button on the right. blue button on the right, access prohibited + exit allows. Wide application: Suitable for most cats, and doors With lock: With lock, when not in use, you can lock it, safety to use Good thermal insulation: No air cross after closing, good thermal insulation 4-way locking: only, locked, extended only, unlocked This door is suitable for most cats and small animals No more hopping on the door knob, no more scratching the door and barking to say she wants out! The locked door protects your home from stray dogs or cats when you are away from home