The Most Feature Rich, Unrivalled Patio Pet Door On The Market The La - Luna Patio Pet Door Insert is a convenient panel that simply fits into your sliding door track. It's fully lockable and can be installed as a temporary or permanent solution making it perfect for rental properties and home owners. Because of its adjustable size you can use it in your screen door or your sliding door and you can even take it with you when you move house or take it on holiday. Features:- Adjustable Height - The adjustable top gives a height range of 199cm up to 211cm to fit nearly all sliding doors. For extra tall frames you can add extension pieces to the panel to increase the height. The unique Support Bar System concealed within the frame enables extensions to be added on to the Support Bars to ensure security is not compromised. Fully Lockable - Integrate your existing locks with the pet door insert to ensure a high security installation. Alternatively, bypass your locks and use a barlock or patio bolt. Our Temporary pet doors can be used in many sliding doors with different lock types. Steel Locking Plate - Lock out unwanted intruders and contain your pet with the solid steel locking plate. Our innovative "Pop N Lock" design enables the plate to slide through the integrated aluminium runners and lock in place securely. Flexible Weatherproof Flap - The flexible flap ensures safe passage for your pet and the transparent flap assists when teaching them to use it. Featuring a magnetic closure system to keep out drafts and a mohair seal to seal out those pesky mosquitoes. Premium materials5mm thick clear tempered safety glass with a heavy-duty powder coated aluminium frame. Five different 3M branded weather seals are included. 4 Colours****Black | White | Cream | Silver Sizes : 3 Sizes are available for all breeds of dogs and cats. Small: 16cm (w) x 30cm (h) Panel (w) 26cm - Medium: 22cm (w) x 41cm (h) Panel (w) 32cm - Large: 30cm (w) x 58cm (h) Panel (w) 40cm