HIGH-QUALITY MATERIAL: Pet screens are made of high-quality ABS and nylon fabric, safe, non-toxic, odorless, very durable and long-lasting. Keeps insects, flies and other pests away, filters dust and dirt from the room, provides better ventilation in the living room and reduces pet odors. EASY TO USE: The dog flap for doors is lightweight, and pets can easily pass through without assistance. The cat flap for windows features magnets in the bottom of the frame that allow it to close automatically. Clean the dog door outer surface with a damp cloth or mild detergent to keep it clean and hygienic. EASY TO INSTALL: The fly screen with dog door is simple to install. Follow the included instructions, position the door at your pet's height, and secure it with screws. It is recommended to guide your pet through the door when first introducing it. ROBUST AND STABLE: The cat flap for fly screens is designed for use on windows or doors, allowing pets to move in and out freely. Available in two sizes: small with internal dimensions of 20.5 x 26 cm and external dimensions of 24 x 29 cm; large with internal dimensions of 36 x 31 cm and external dimensions of 42 x 37 cm. Measure your pet before purchasing to ensure proper fit. Suitable for small and medium-sized pets. CONVENIENT FOR EVERYDAY LIFE: The cat flap is compatible with sliding doors, fly screen doors, fly screen windows, and other mesh panels. The pet flap does not interfere with normal door operation after installation and continues to function as a mosquito and insect screen. The cat door features a paw design that adds a decorative touch to your home.