Designer Series Pet Door Super Large K4659

Flap size of 15 in. wide by 20 in. tall with rigid lock-out panel. Ideal for pets weighing up to 120 lbs. and up to 15 in. wide. Flexible tinted vinyl flap allows pet to see through opening and non-toxic for added safety. Comes with a rigid lock-out panel that slides into grooves on the inside of the frame and snaps into place to effectively lock the door.