White Large ABS Pet Dog Door Safety Dual Entry 14.6x 11.8" Flap Telescoping 12249

White ABS Pet Dog Door Safety Dual Entry Outside dimmensions 17x14x1.97", ID 14.6x 11.8". Features robust construction and secure locking panel. Fit for pets up to 90 pounds and 18" (460mm) shoulder height.Easy installation takes about 20 minutes. Durable, economical pet door with inner telescoping frame. Tools Required: Pencil, ruler, jigsaw, drill, square, screwdriver, tape measure.