PET PROTECTION - This pet screen door can protect and isolate pets. It will prevent your lovely pets such as cats and dogs from escaping to the outside or dangerous places. When introducing a new furry friend to your family, it can play a very good role in isolation.VARIOUS SIZES - Cat door screen size 91cm x 214cm, fits door size 90cm x 210cm. Besides, there are a variety of other sizes to choose from. Please measure the size before buying and measurement should including the door frame.REINFORCED MATERIAL - Made of thickened vinyl coated steel wire, it is tougher and more durable than ordinary glass fiber and polyester fiber, and can withstand cat scratches under general circumstances.GOOD VENTILATION - The mesh screen door allows the air to circulate freely, so you can enjoy fresher air all the time, reduce sweltering heat in the summer. At the same time, it can also keeps out mosquitoes, flies and other insects.EASY TO INSTALL - Stick the hook and loop tape on the four sides of the door, then tear off the white adhesive tape and stick the door on the door frame without any tools. It's suitable for sliding doors, patio doors, french doors, balcony doors, front doors, greenhouse doors and so on.