XL-Extra Large Dog Door : Suitable for Width 13" ,Height 23" ,Pets Up to 220 Lb. Optimised Brush Seals : MIAOTONG Pet door is equipped with highly efficient brush seal, which is delicate and soft, and fits closely with the door frame, effectively blocking the penetration of outside air and the entry of mosquitoes and insects Exquisite Appearance Design: MIAOTONG Doggie doors is designed by a famous designer, with a design patent, in line with European and American aesthetics, perfectly matched with the wall, adding decoration to your home Easy to Install : MIAOTONG Dog doors comes with intuitive cut-out templates and detailed step-by-step installation guide, making the installation process quick and easy, even if it's your first time trying it out, you can do it on your own