order page for it at BuySnus.com describes it as, "This summer's must-have: Thunder Extra Strong Original Portion in a great waterproof aluminium can! Your snus will follow you around safely this summer, whatever wet adventure you might want to live! The silvery aluminium can with food safe coating and Thunder logo will seal your snus and keep it safe at the beach, pool or in the rain! It comes in a very nice gift box. Each can contains 19.8 grams of Thunder Extra Strong Original Portion. Max. 1 can per order!"
here, but yes - it is very waterproof. I put in the Offroad Frosted White Dry portions we're reviewing in this article just to test how dry it would keep the snus. And it did very well! Not a drop of water got in.