Being neoprene it doesn't degrade or brake down if left outside all the time. They come unglazed & without glass , you use your existing glass from your old door tops. There are two video's on how to do the job on YouTube. Things you should know video.I make ten pairs a month so if I don't have any ready to dispatch when you order there will be some available shortly. The item "Series land rover door tops" is in sale since Thursday, July 16, 2020. This item is in the category "Vehicle Parts & Accessories\Car Parts\Exterior & Body Parts\Doors & Door Parts". The seller is "dsm100_0" and is located in Petersfield . This item can be shipped to United Kingdom.