The Sirenetta is the kid's size of the popular Sirena mask. It has a single tempered glass lens and is designed for snorkeling, swimming, and scuba diving. Ideal for teenagers and for narrow faces. The skirt is made from soft hypoallergenic transparent or black silicone. The visibility provided by the single lens and the unusual shape of the frame extends in all directions. Excellent seal on most face types, thanks to the internal seal ring housing average internal volume. It has quick-release strap buckles.