*Multifunction: completely locked; entry only; exit only; free passage in both directions.
*Suitable for solid wood, hollow core, single or double glazed glass doors up to 60mm wide.
*Easy to install.
*The transparent flap is silent and will not disturb you or your cat.
*The flap will return to it's original closed position due to the magnetic strip, and will not open from wind.
*Inner flap size: 140mm x 150mm