Full face design, you can enjoy snorkeling and explore an amazing underwater world. - Breathe fresh clean air without CO2 build up due to the one way valve system. - No Fog separate inhaling and exhaling channels prevent fogging. - Valve system prevents the mask from filling with water, and includes an easy drain system. - UV resistant materials no leak construction. - ASTM Certified for Ultimate safety! - Two sizes snorkel mask for kids 6-14. (See our size guide for details) - Comfortable easy to adjust elastic straps that are simple to wear and provide ultimate comfort. - Carry bag designed to fit your mask, and a towel.