Philip Morris International Inc. reported better-than expected profit, as sales of Zyn nicotine pouches rose more than 25% last year.

Philip Morris International posted higher-than-expected revenue in its fourth quarter as its Zyn nicotine pouches continued to power results.

Philip Morris reported adjusted earnings of $1.55 per share in its fourth quarter ended Dec. 31, topping analysts' expectations of $1.50 per share, as per data compiled by LSEG. For the fourth quarter, its net sales rose 7.3% to $9.71 billion, compared with estimates of $9.44 billion.

Zyn has taken the U.S. by storm. The nicotine pouch brand's boom came at an opportune time for parent company Philip Morris International, which faced years long decline in cigarette smoking. The FDA earlier this month authorized 20 Zyn products to be marketed and sold on the U.