The Cat Mate Cat Flap 235 with a four-way lock features a plastic flap that allows your cat to come and go freely. The following four settings are available: in only, out only, completely closed, or open. It is suitable for installation in walls and doors. Available in two colours and suitable for doors with a maximum thickness of 50 mm. Size specifications: overall size: 192 x 200 mm, cut-out size: 165 x 174 mm.