Strong stainless steel body and custom extra thick frothing wire with no plastic parts to break off.And it is of high steadiness when it is in operation. This handy little gadget really packs a punch!! With a 12,000 rpm motor this will produce the thickest, foamiest milk in seconds. Press the black button on the bottom of the handle in seconds then you could enjoy your creamy coffee. Put the frother in the hot water and press the botton. It's clean enough. Keeps your morning calm and peaceful while you are creating your hot coffee milk frother masterpieces. Built with a powerful yet whispering-quiet motor. This cute little wand foamer silently whips up rich, smooth and delicate foam for homemade coffee drinks in seconds. Requires 2 AAA batteries (not included).