【Freedom for Your Pet &Telescoping Tunnel】 Without your help, let your dog go outside for potty breaks and playtime by themselves.The widened channel and two-way access design make it easier and more convenient for your pets to go in and out

【Easy Install】This dog door can be installed on any type of door, including metal doors, wooden doors, PVC doors. Great for indoor or outdoor doors/walls with a thickness of 1.18-7.28 in. 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.

【3 Size Options】Small Size - Flap Opening: 6.3"W x 9.6"H. Frame: 9.45"W x 12.79"H. For pets up to 12 lbs.

【Energy Saving & Anti Ultraviolet】Upgraded silicone door cap against extreme weather available(Weatherproofing and Improve energy efficiency), keeps soft in cold weather and can be used in all seasons. This pet door also has a good anti-ultraviolet effect, naturally odorless, pet friendly.

【Slide in Panel】Slide in closing panel locks for security when your pet is not using the dog tunnel and adds extra insulation