NIUNIU Perfectly sized to make your cat feel comfortable and confident without intrusive dogs pestering them in their personal space. Perfect Pet Gate and Cat Door Alternative. Easy to use, installs in seconds. Perfect Pet Gate and Cat Door Alternative. This door lock attaches to most door handle styles and installs and removes quickly and easily in seconds. Perfect Pet Gate and Cat Door Alternative, It will become your travel accessory. Delivery Quantity: 2set (4pcs) Package Contents: Only the above package contents, excluding other products. Size: 24.6*6.9*0.3cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: black+white (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)