Safety 4 Way Security Flap Door Locks For Cat & Dog

This Safety 4-Way Security Flap Door Locks are the ideal tools to help prevent unwanted pets from entering or exiting your house

4 Way Locking:

• Turn Red and Green switches to both sides, a pet is prevented from entering or exiting the house
• Turn Red and Green switches to the right side, a pet is allowed to enter the house but prevent from exiting the house.
• Turn Red and Green switches to the left side, a pet is allowed to exit the house but prevent from entering the house.
• Turn Red and Green switches to the middle, pet can leave and exit any time

Outer Door Frame Size :
Small: 20*19*2cm
Middle: 20*19*5.5cm
Large: 25*23.5*5.5cm

Inner Door Frame Size
Small: 16*15.7cm
Middle: 16*15.7cm
Large: 19*18cm

Note: Size S is a little different from other sizes. It's "thinner".