Available in Medium and Large sizes, Richell's Deluxe Freestanding Pet Gate with Door fits doorway and hallway openings from 61.8 to 90.2 wide! Plus, the specially designed walk-thru door opens in both directions, locks automatically and remains open at 90? to allow you to move freely from one area to another. And like Richell's other freestanding pet gates, the Side Panels are designed to keep the gate from tipping over while the Rubber Feet keepitrom scratching/sliding on hard floor surfaces. Eco-friendly wood complements home interiors beautifully as well as Richell's other fine wood pet products!Registered under U.S. Patent Nos. 7,568,449; 7,739,983 and 7,954,456. Large Gate stands at 36.2 inches high to accommodate medium to large dogs! Medium Gate stands at 28.1 inches high to accommodate small to medium dogs! Gate Door locks at the top and bottom for extra security. Free-standing design allows for easy placement anywhere in the home, anytime you need it! Side Panel design prevents tipping over. Rubber Feet protect floor surfaces and prevent slidingGeneral Product Information: Medium gate is recommended for small to medium dogs 8.8 to 44 lbs (4-20 kg). Large gate is recommended for medium to large dogs 17.6 to 88 lbs (8-40 kg). Instruction manual included.