Baboni Pet Door for Wall, Steel Frame and Telescoping Tunnel, Aluminum Lock, Double Flap Dog Door and Cat Door, Strong and Durable (Pets Up to 100 Lb) -Large

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. ENERGY-SAVING: The double-flap provides weatherproofing and energy efficiency and helps protect against extreme weather, air 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.