smarketbuy

[Door Dimension] The large dog door frame size is 17.5” (W) x 27 2/3”(H).Flap opening is 14.4”(W) x 24.5”(H). Cutout size in door/wall: 14.6”(W) x 25”(H). It fit for doors or walls over 1.25” thick and there is no limit to the maximum thickness and is suitable for pets up to 220 pounds.