this chain would be ideal for stacking necklaces. available in a range of lengths, from 12-24 inches, you just need to choose the one that's right for you from the drop down menu. the bobbles are 1.5mm high and 1.5mm deep and are spaced evenly along the sterling silver chain. the necklace weighs 1.7g and is stamped with a 925 metal mark. it's secured with spring ring clasps.