【Four-way lock】Four modes (entry only, exit only, entry and exit, door closed) can be easily controlled by the door handle. 【Pet body size 】Inner size: 18 x 19.5cm (W x H), suitable for cats under 60cm to easily pass through the cat flap. The nature of pets is to seek freedom , but sometimes the door limits their freedom of personality, so it is very important to create an exclusive door for pets. The four-way locking system allows the cat flap to have multiple modes of closure so you can control the cat’s access as needed. Magnetic buckles and brush strips ensure the cat flap silently returns to its original position after use. < p>Made of ABS material, this magnetic cat flap is durable enough to withstand long time use. term and extreme weather conditions. External dimensions: 18cm (W) x 19.5cm (H) Inner dimension: 23.5cm (W) * 27 cm (H) Thickness: 5.5cm Material: ABS plastic Suitable for cats whose height is less than 60cm, please measure the size of your cat