The Stingfree part is a patented pouch for snus and contemporary oral nicotine pouches, authorized inside the US and Europe. It incorporates a protective aspect that properly lowers the burning feeling and irritation around the user's gum and oral mucosa.[14] Steinberg talks about snus as an item on a spectrum. https://images.google.es/url?q=https%3A%2F%2Ficyshop.es%2F%3Fcollections%2Fsnus