PetSafe Staywell Big Cat Small Dog Pet Door White

Big Cat - White White finish with See Through Rigid Flap. Manual 4 way Security lock - in only- out only- opened - locked. Universal fitting for Glass, Sliding Windows & Doors. Overall size: 292mm x 292mm (11 1/2" x 11 1/2"). Cut out size: glass:260mm x 260mm (10 1/28") diameter. Max shoulder width: 180mm (7 1/8").