• It is fit for hollow or thick walls and doors up to 50mm thick

• The lockable doors design for your dogs, pets to go out and go in if they want

• Flap design, your pets can only enter from the outside but not go out again

• High performance, exquisite workmanship and super durable

• It can give your pet the freedom to come and go without bothering you

• Transparent flap lets you and your pet can be seen when your pets are on the other side

• Easy to use and to install at affordable prices 

• Non-toxic, non-odor, do not have harm for your pets

Specifications:

• Material: ABS    

• Color: White, coffee

• Size: S/M/L

• Size: S 

• Outside: 19.2*20*2cm

• Inner: 15.7*15.5cm

• Size: M

• Outside: 19.2*20*5.5cm

• Inner: 15.7*15.5cm

• Size: L

• Outside: 23.5*25.2*5.5cm

• Inner: 19*18cm