The Wall Entry Pet Door allows your pet to go in and out without the hassle of constantly having to open the door. This door is great for homes in which installing a pet door on an entry or side door is simply not practical or convenient. This unique wall entry pet door can be installed in several different wall materials, including all types of siding, stucco, and brick, making it one of the best wall-mount dog doors on the market. Available in 3 sizes: small for pets up to 15 lb., medium for pets up to 50 lb., and large for pets up to 100 lb.