Specification Binding : Unknown Binding Brand : Astromania Color : Blue Department : mens MaterialType : ABS Model : SKU_AM_USB25 PackageDimensions_Weight : 0.20 PackageDimensions : L:6.30 X W:3.35 X H:1.57 PartNumber : SKU_AM_USB25 ProductGroup : Luggage ProductTypeName : CARRIER_BAG_CASE SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41l+dkxEmQL._SL75_.jpg SmallImage_Width : 75 Title : Astromania 25cm USB Lens Warmer Heater Dew Heater Strip - Stepless Temperature Regulator for Telescope Lens Less Than 3.15 inch (80mm) in Diameter and Universal Camera Weight : 0.2 WeightUnit : pounds