Pink 242718 1. Easy to install, simple and elegant. 2. The pet free door is made of good quality ABS (the best kind of plastic) material, And the design is generous and cute. 3. The size is relatively large, suitable for many fat cats or dogs. 4. The cat can reach the free shuttle goal from the front and back of the door, saving the owner from having to open the door for him Note: Please measure the size before installation.