Replacement flap for your existing Catmate large cat/small dog door which has 2 sets of red and 2 sets of green sliding latches at the base of the frame... the overall size of your door will be 252mm tall x 235mm wide - that is TOTAL SIZE of frame etc... the gap for the flap is approx. 200mm x 180mm 

NOTE * we take NO responsibility for incorrect stock being sent if you have advised us/ordered incorrectly. 

These flaps are 198mm x 177mm, have a 'fur 'wind strip' on the inside edges and have a slight tint to them. 

They are designed for CATMATE cat doors and may not fit other brands ...so please check before purchasing.