Introducing the Chubby Kat Large Cat Small Dog Pet Door Flap, designed by Ideal Pet Products. This door has a manual locking mechanism and can be locked in four different ways. It measures 7-1/2 x 10-1/2 inches and is made of durable plastic. This product is suitable for cats and small dogs. It is manufactured in Thailand and is compatible with the X10 Smart Home Protocol. Purchase this item today for a convenient and safe way for your pets to enter and exit your home.