Give your cat a dedicated passageway with this window-mounted cat door designed for windows 31" to 36" wide. Its 4-way locking system lets you choose in-only, out-only, two-way access, or fully locked mode for flexible control. The magnetic flap and brush-lined edge help provide smooth self-closing performance and a tighter seal. Built with an aluminum alloy frame and high-transparency glass, it is made for everyday durability. Tool-free installation allows for quick setup without drilling.