Staywell - Pet dog door / cat flap. Magnetic, plastic cover, security bar. The door is suitable for solid core, hollow core doors and walls. The flap is magnetic to ensure that it self locks after it has been used.
eBay
Dog Cat Flap Door For Dog Cat Kitten With 4 Way Lock Security Flap Door Cat Puppy Safety Gate ABS
Aliexpress UK
Slide the locks on the bottom of the flap to set the door to one of the following. Flap is locked from both sides. Cat can go out but can not get back in (for preventing other cats also entering). Cat can only enter from the outside but not go out again.
eBay
DIY Cat Climbing Wall Cat Aerial Corridor Large Luxury Wall Space Capsule Wooden Cat Planking Pet
Aliexpress UK
Cut-out size: width 204mm (8″), height 221mm (8 3/4″), flap opening size: 180mm width by 180mm height. Draught- and weather-proof fully brush-sealed flap with magnetic closure. Secure double-point 4-way lock.
eBay
1.5M DIY Large Cat Tree Solid Wood Trunk Cat Tree Sisal Scratching Post Cats House Toy Trees
Aliexpress UK
Specifications🐱: Material: Plastic ABS Colour: White Size: S-19.7*19*2cm / M-19.7*19*5.3m / L-25*23.5*5.3cm / XL-27.7*25*5.5cm Package Includes: 1 x Pets Flap Door.
eBay
4 Way Locking Cat Doors Cat Flap Door 4 Way Locking Cat Doors Small Pet Door for Cats Small Dogs
Aliexpress UK
Specification: Product Name: Pet Flip Door color: White Material: ABS 4-way locking: no entry and exit (full lock), free entry and exit (full open), only entry, only exit Product Size: S: outer frame 19.7*19*2cm inner frame 17*16*2cm M: outer frame 19.7*19*5.3cm inner frame 17*16*5.3cm L: outer frame 25*23.5*5.3cm inner frame 21*19.5*5.3cm XL: outer frame 27.7*25*5.5cm inner frame 22.5*20*5.5cm.
eBay
Cat Flap Door 4 Way Locking Security Lock ABS Plastic Dog Cat Flap Door Pets Smart Door Retractable
Aliexpress UK
Slide the locks on the bottom of the flap to set the door to one of the following. Flap is locked from both sides. Cat can go out but can not get back in (for preventing other cats also entering). Cat can only enter from the outside but not go out again.
eBay
S/L 2 Colors Cat Flap Door with 4 Way Lock Security Flap Door for Dog Cat Kitten Small Pet Gate Door
Aliexpress UK
Slide the locks on the bottom of the flap to set the door to one of the following. Flap is locked from both sides. Cat can go out but can not get back in (for preventing other cats also entering). Cat can only enter from the outside but not go out again.
eBay
S/L 2 Colors Cat Flap Door with 4 Way Lock Security Flap Door for Dog Cat Kitten Small Pet Gate Door
Aliexpress UK
Specification: Product Name: Pet Flip Door color: White Material: ABS 4-way locking: no entry and exit (full lock), free entry and exit (full open), only entry, only exit Product Size: S: outer frame 20*19*2cm inner frame 17*16*2cm M: outer frame 20*19.2*5.5cm inner frame 17*16*5cm L: outer frame 25.2*23.5*5.5cm inner frame 21*19.5*5cm Switch function description: Flip the red and green switches to the sides to keep pets out of the house. Flip the red and green switches to the right to allow pets into the house but not to leave it. Flip the red and green switches to the left to allow pets to leave the house, but not to enter. Flip the red and green switches to the middle, pets can leave and exit at any time. Package Included: 1* Cat Flip Door 8*screws 8*screw caps.
eBay
Cat Puppy Safety Gate Dog Cat Flap Door With 4 Way Lock Security Flap Door ABS Plastic Small Pet
Aliexpress UK