Dimensions: Installation depth: 30mm, overall size: 20.3 x 22.2cm, flap size: 15 x 15.3cm, this door is very suitable for pets weighing less than 15 kg, it is best to measure the width and height of the pet before buying. Material: The cat flap is made of strong PP plastic, which is weather-resistant, easy to clean, and has good transparency. SILENT CLOSING - With brush strips, which eliminates the noise when opening and closing the door, and is weatherproof. EASY TO ASSEMBLE - This pet door is suitable for brick walls, wooden doors, doors made of PVC, uPVC and metal, and can be built into doors and walls that are 2 to 5 cm thick. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.