Measurement:
Opening: 18.5cm x 16.5cm (7.25"h x 6.5"w)
Cut Hole: 21.5cm x 21.5cm (8.50"h x 8.50"w)
Overall: 25.4cm x 25.4cm (10"h x 10"w)

Breed Size Guide: Cats, Chihuahuas, Papillons, Yorkshire Terriers, Maltese,Pomeranians, & Japanese Chins

Colour: Silver, White and Bronze

Plexidor Door Unit frames up to 4.45cm (1 3/4") thick household door; includes: petdoor with lock and exterior trim pieces.

Plexidor Wall Unit frames up to 30.5cm (12") deep wall: includes petdoor with lock, aluminum exterior frame & tunnel unit, stainless steel screws, caulk, & aluminum jig saw blade."