Upgrade your Impact Stationary Dog Crate with the Side-Door Add-On! This nifty add-on adds convenience with an extra entrance for your easy in-and-out, perfect for homes with limited space, or tight spots like the back of a car. It's simple to attach and keeps your crate strong, breezy, and durable – perfect for homes and adventures! Note: The Side Door Add-On is only compatible with Stationary Dog Crates purchased after 04/05/2023. - Side Door not available for 20", 24", and 48" Great Dane sizes