Petsafe Staywell Medium Pet Door (Brown) (One Size)

- No more scratched doors.|$|- No more getting up late at night.|$|- Weather resistant self closing see through magnetic flap.|$|- Lockable interior barrier.|$|- Fits all walls and wooden doors.|$|- Size guide: For medium dogs up to 40lbs, overall size: 13.88 x 11.5in, cut out: 10.38 x 9in, maximum pet shoulder width: 8.63in.|$|- Size:One Size.|$|- Gender: Unisex Adult