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 40 Lb) -Medium

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: 8 1/4"W x 12 1/4"H. Frame: 12 1/4"W x 17 1/8"H. Cutout in wall:9 7/8"W x 14 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 AND ENERGY-SAVING:This Pet Door frame is made of 100% metal laser welding process and high-quality steel aluminum alloy oxidation to ensure durability,security and thermal insulation. The double-flap provides weatherproofing and energy efficiency and helps protect against extreme weather, air drafts. TAILORED FOR YOUR PET : Flap opening is 8 1/4" W x 12 1/4" H and is designed for pets up to 40 pounds.