Feature :Material is real stainless steel. This item is made entirely by hand. No chrome plating and no nickel plating. Just hand-polished, more comfortable and completely body safe.To avoid injury or aggravation of pre-existing conditions, this product should not be used on bruised, swollen, or inflamed areas including skin lacerations.Discontinue use immediately if discomfort occurs.Please sanitize with alcohol before use, suggest use human lubricant.