Aluminium Extra Large Pet Door 660 - Heavy Duty White Finish with Flexible Flap.No more scratched doors.No more getting up late at night.Energy efficient - keeps out drafts.Steel locking security cover.For large size dogs up to 100kg (220lbs)Overall size: 692.6mm x 417.1mm (27 1/4" x 16 7/16").Cut out size: 642mm x 366mm (25 1/4" x 14 3/8").Maximum pet shoulder width: 349mm (13 3/4")3 Year Guarantee