Made of ABS plastic, durable, resistant to your cat / small dog’s scratching. Also, easy to clean and can be used for a long time 4 locking modes: open, closed, entry only or exit only, which allows your cat to enter and exit at will without you having to lose control of its comings and goings This Magnetic door for animals is suitable for Windows, glass doors, brick walls, PVC, uPVC and metal doors With this cat flap cat you can control your pet’s comings and goings and free up your time to open the door without worrying about your pet. At the same time that your pet will love a big and free house. Warning: 1.Some customers think that the door will be blocked and never fall. Due to the low temperature which influences the function of the cat flap. Please drip a drop of antifreeze engine oil which can solve this problem. Please don’t worry there is no problem with the cat flap. 2. You must keep the glass door nearby before using the switches to change the model. 3. Please measure your