Which type of steel is this Milk Frothing Pitcher made out of ?

MATERIAL - Jug is Made of Stainless Steel 304, it's Food Safe, won't Rust or Stain. Durable Sturdy andwill Last Longer than Plastic and Glass. Never Worry Break or Dropping.

This is Stainless Steel Milk Frothing Jug for Espresso Coffee Cup and Barista Craft Coffee Latte Milk Pitcher for Coffeeshop and Home barista (600 ML / 20 oz and 350ML / 12 oz).

It is Perfect for your small single cup espresso machine. it is the right size you would want for full size espresso mchine though. Good quality milk jug.