FREEDOM AND INDEPENDENCE: Give your cats and dogs freedom to go in and out without your help, arrangement for potty breaks or play time by themselves.

DIMENSION AND TELESCOPING WIDTH: The telescoping tunnel accommodates walls that are 4 3/4 - 7 1/4 in thick.Flap Opening: 10 1/4"W x 16 1/4"H. Frame: 14 1/4"W x 21 1/16"H. Cutout in wall:12"W x 17 3/4"H.

EASY INSTALLATION: This pet door easily installed in all types of interior and exterior walls; cut-out template and step-by-step instructions are included, simple to follow instructions walk you through the install.

DURABLE, SAFE :This Pet Door frame is made of metal laser welding process and high-quality steel aluminum alloy oxidation to ensure durability,security and thermal insulation. Come with one metal closing panel.

3-FLAP DESIGN: Seal out the elements and maintain indoor comfort with the advanced three-flap design featured. This triple layer not only provides weatherproofing but also ensures optimal energy efficiency, keeping your home shielded from extreme weather conditions and drafts.

TAILORED FOR YOUR PET : Flap opening is 10 1/4" W x 16 1/4" H and is designed for pets up to 100 pounds.