1.[Size]: 39(991mm) x 29.5(749mm) inch or 100x75 cm, 59(1499mm) x 33.5(851mm) inch or 150x85 cm, please measure your telescope size before purchasing.Package include: 1 Pcs Telescope Dust Cover. Not include telescope. 2.[Material]: This telescope covers are made of water-resistant 420D Oxford silvery coated polyester fabric, silver on the outside, black on the inside, won't crack in cold or hot weather. Protect your telescope from direct sunshine, uv. 3.[Weatherproof]: Whether in extremely cold or extremely hot weather, the cover can play a full protective role. Protect your telescope from sun, rain, UV, snow, dust, moisture, fallen leaves, etc. 4.[Double-zipper Design]: The front and back of our telescope cover adopts double zipper Intimate design, It can be used half-open or full-open, better use and protect your telescope. Easy to use and storage. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.