Crate Compatibility: Designed to fit 48-inch MidWest crate models 1548, 1548DD, 1548U, 1548DDU, 1648, 1648DD, 1648U, 1648DDU, 748UP, 1948; panel measures approximately 29.4 x 27.3 inches Adjustable Crate Space: Helps your puppy grow into their adult-sized crate by adjusting the living area; supports successful crate training and housebreaking Secure Fit for Safety: Installs snugly across the width of the crate; tight fit ensures stability and proper use during training Durable Construction: Made from sturdy steel with a black e-coat finish; resists rust and blends in seamlessly with your existing crate Cost-Effective Training Tool: Saves money by eliminating the need to buy multiple crate sizes; helps prevent accidents and supports good potty habits Family Owned & Operated: Proudly family owned for over 100 years with customer support based in Indiana; we stand behind the quality of our products to help you create a safe, comfortable home for your pet Assembly Instructions Included: All setup and safety instructions are provided; please read thoroughly before assembly and use to ensure proper and secure installation