FEATURES-1.3" objective-Fast, flip-open design - keep your eye on the target-Silent spring hinges won't spook game-Water-tight, custom-fit friction mounts anchor them to your scope-Air-tight semi-O-ring keeps out dust & moisture-Tested to -40AdegF-Truly ambidextrous-Weigh less than an ouncePRODUCT SPECIFICATIONS:Dimension 1.60 X 2.85 X 4.90Height 1.6000Width 2.8500Length 4.9000TYPE/COLOR BLACKSIZE/FINISH 3A OBJ/1.300"MATERIAL PLASTIC