Siberia -80oC Extremely Strong White Dry from GN Tobacco is a ultra strong portion with fresh taste of spearmint. Siberia -80oC Extremely Strong White Dry has a nicotine strength of 43mg/g which makes it one of the strongest portion snus available. The pouches are dry giving you a minimal drip yet a long taste experience. Compared to a regular snus, this one has up to 4x more nicotine strength! Siberia -80oC Extremely Strong White Dry is one of GN Tobacco’s most popular products. It’s fresh mint combined with a seriously high nicotine content makes this snus a top choice for experienced snusers.