18/8 Grade Premium Stainless Steel Dimensions - Weight: 0.17 oz.; Height: 1 in.; Length: 1.35 in.; Width: 1.35 in.; Comes Packaged in a Cardboard Box that is Easy to Gift Wrap Lightweight Full Metal Body that Fits Flasks 3 Ounces or More Perfect Accessory to Any Flask for Easy Refilling!