Check the listing for details. Baboni Steel Frame In Wall Pet Door ( SMALL ). Condition: New. Listed at 59.99 USD. 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 12 Lb) -Small 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:5 1/4"W x 8 1/8"H. Frame: 9 1/4"W x 13 1/8"H. Cutout in wall: 6 3/4"W x 10 "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 5 1/4" W x 8 1/8" H and is designed for pets up to 12 pounds.U.S. buyer pays $12.00 shipping!