This door gives your pet all the freedom. The pet door for cats is a practical portal to your cat's . With our indoor cat door, your baby can finally have a personal space for their litter box and food while the human door is closed. Features -Material: ABS -Size: 32.00X27.00X5.50cm/12.58X10.61X2.16in -It is easy for installation, you can set up this pet door for interior doors in minutes. -Plastic material is light and convenient for pets to get . -Our indoor cat door comes with easy installation and sturdy screws for secure, foolproof installation. Conveniently fits both solid and hollow core doors. - design is convenient for pets to see the inside and outside environment. -Unlike cat doors with flaps that can hurt your pet, this large cat door for interior door is safe for your baby's paws. Package list: 1 door