This snorkeling set contains a two lens silicone mask and semi-dry snorkel with purge. The dive quality mask has a high grade clear silicone skirt and dual tempered glass lenses. The semi-dry snorkel features a hypo-allergenic silicone mouthpiece, an easy clearing purge valve and purge reservoir at the base which keeps any residual water out of the breathing path. Designed for children ages 5 – 10 years.