Product Type: Cat Door Material: Stainless Steel Pin + ABS Size: About 22.5x26.5x5.5cm / 8.9x10.4x2.2 inches Inner Length: About 17.5/6.9 inches Inner Groove Thickness: About 3.5cm/1.4 inches Features: Safe and Durable: The indoor cat door is made of ABS material, which is wear-resistant and durable. The smooth and burr-free edges protect cats from scratches. The smooth, paintable material matches your doors and decorations perfectly. There is a combing comb in the middle of the door, which can effectively comb your cat, and the soft teeth give your cat a happy feeling. Will not fall off: The inner cat door is equipped with screws to avoid falling off and gaps caused by tape installation, no noise, and no trouble caused by locks and door damage. 1. High-quality ABS + Stainless Steel Material: The cat inner door is made of high-quality stainless steel pins and ABS materials, which is sturdy, durable, wear-resistant and has a long service life. 2. Silent Design and Cute Shape: Silent brush, pets can rub their hair, and pets can comb their hair when they pass by. The cat door frame adopts fishbone pattern and cat ears design. 3. Convenient for cats: barrier-free door design, keep cat food inside the house and refuse to let dogs in. Cats can go home to eat and drink after playing freely outside. 4. Universal: Suitable for any non-hollow or hollow interior door. The inner groove can be cut according to the thickness of the door, and the cat door can be installed regardless of the thickness. 5. Fine craftsmanship: The smooth, elegant appearance of the cat door will perfectly match your door and home. 8 x long screws 8 x short screws 8 x screw covers 1 x cat door 1 x perforated drawing board 1 x English instruction manual