"Features: 1、High-quality Protective Cover for telescopes: It offers perfect protection for your telescope against dust and moisture. It is an ideal protection if you want to leave it outside for a short term or store it in the cellar or garage. 2、Thermally stable: Silver-coloured coating on the outside - reflects sunlight, thus preventing the telescope inside from heating up. The material retains its protective function even in extreme heat or cold. 3、Waterproof and Washable: The cover is water-repellent - the telescope stays dry even in the rain. 4、Fixing strap for firm closure and to prevent it flying away: The fixing strap at bottom ensures a clean closing and prevents wind entering from bottom. Secure against damage from extreme winds and extremely tear-resistant under correct and moderate use. 5、Matches all telescopes up to 1200mm length and 10"" (254 mm) aperture mounted. Diameter at bottom: 36.4in - height from 35in ( short side) to 70.5in (long side). Astromania Protective Telescope Cover is suitable for, among others, the following telescopes: - Ideal for medium-sized and larger telescopes on equatorial mount - Newtonian telescopes up to 254 mm aperture and 1250 mm focal length - Refractor telescopes up to 180 mm aperture and 1200 mm focal length - Schmidt Cassegrain, Maksutov, EHD, ACF telescopes up to 254 mm aperture - Telescopes from brands like TS-Optics, GSO, Bresser, Celestron, Meade, Orion, Omegon, SkyWatcher, Celestron and similar Details: - Bottom width: approx 57.1in - Diameter: approx 36.4in - Bottom circumfence: approx 67in - Height at long axis: approx: 70.5in - Height at short axis: approx 35in"