CEESC Large Dog Door for Pets Up to 100 lb, Weatherproof Pet Door for Cats and Dogs, Durable, Snap-in Closing Panel Included, Suitable for Interior and Exterior Doors (Large, Black)

DURABLE, SAFE: This upgraded pet door frame features a dual-layer and thickened design for enhanced durability. Snap-in Closing Panel Included, made with high-hardness plastic material, it is built to last, security and thermal insulation.. DIMENSION AND TELESCOPING WIDTH: The telescoping tunnel of this dog door accommodates doors that are 1 1/4"" - 2 1/16"" in thick.Flap Opening: 11 3/4""W x 16 1/2""H. Frame: 15 3/16""W x 18 1/8""H. Cutout in door:12 3/8""W x 15 1/2""H.. UNIQUE DESIGN: This pet door with a removable flap that has windproof and rainproof seals. It also has a magnetic strip at the bottom to keep it securely closed. It can fit large dogs,small dogs, doggie, cats, and other pets up to 100 pounds.. ACCESS CONTROL: The snap-in closing panel allows you to control your pets' access, providing them with the freedom to come and go while keeping stray dogs out.. EASY TO INSTALL: This large dog door can be easily installed on all types of interior and exterior doors, including a cutting template and step-by-step instructions. The clear and concise instructions will guide you through the installation process.