【Freedom and Convenience】With the Roxanex cat flap, your cats or small dogs can easily and quietly go in and out. Your beloved pets will not feel trapped, and you no longer have to bother opening or closing the door for them. Its versatility provides convenience and flexibility for your pet's daily movements, giving them the freedom to come and go to promote their sense of independence. 【Safer with 4 Locking Modes】By sliding the latches, you can set the access mode to free entry and exit, fully locked, exit only, entry only, controlling your pet's access and keeping stray animals away. 【Durable and Convenient】Made of sturdy ABS plastic, the internal cat door is ready to serve your pets for a long time. With a sealing strip and magnet for adjustment, it can keep insects and litter box odors away, reduce cold air loss in summer and heat loss in winter. 【Convenient Transparent Flap】Our pet door is equipped with a transparent flap for your pet's safety, allowing them to see in and out at all times. Its brush strip helps reduce noise when your pet enters or exits. 【Large Size & Versatility】23.5 x 5.5 x 25 cm (L x W x H), flap size 18 x 19 cm (W x H), this pet door is for cats and small dogs whose waist circumference is less than 58 cm. Perfect for interior and exterior doors made of wood, PVC, metal, panels, glass, etc. It can also be installed on windows, walls, litter boxes, etc. 【Easy to Install】The external cat door comes with detailed instructions, 8 screws and their caps, 4 double-sided tapes. Once the necessary tools are ready, you can easily install it. 【Excellent Customer Service】We strive to meet customer needs and provide high-quality products. If you have any questions, suggestions, and requests about the product, please do not hesitate to contact us. We will respond to you within 24 hours.