Which cat flap do you need? Here at Petcara, we stock a range of cat flaps to suit your needs. All of our cat flaps have see through doors and are available in multiple options. View our range of Staywell cat flaps which include the magnetic cat flap to keep out unwanted strays. In our range of Trixie cat flaps you will find our cat flap for glass doors. Most of our cat flaps can be inserted in both upvc doors and traditional doors.