Shiro 03 Tingling Mint has a frosty and spicy mint flavor that is complemented by hints of evergreen. Tingling Mint has the highest nicotine level of all Shiro products. Shiro's white nicotine pouches are completely tobacco-free. Our products are made from plant fibers, with added nicotine extract. The slim bags are discreet, with balanced moisture, optimized for a comfortable feeling under the lip.