Product size: width, height and depth
问题 I'm using schema.org definition to represent a product. I have a doubt about product size: should I specify the unit of measure in the field? Here's my code (I need a separate span for "cm" to style it differently): <div itemscope itemtype="http://schema.org/Product"> <h1 itemprop="name">Product name</h1> Size: <span itemprop="width">60 <span>cm</span></span> <span itemprop="height">50 <span>cm</span></span> <span itemprop="depth">40 <span>cm</span></span> </div> Is this the correct way to