HAITRAL Full Face Snorkel Mask 180&deg; Wide View Easy Breathe Gopro Compatible with Anti-Fog and Anti-Leak 180FULL FACE DESIGN: Our mask provides a 180viewing area. Also, makes it easier to breathe comfortably through your mouth or nose while you are snorkeling Anti-Fogging Design: We designed separate breathing chamber that creates an airflow away from your main viewing visor that helps eliminates fogging Dry Top Technology: Unique longer design, improved dry top system, more air supply Selected Materials: Japanese non-toxic medical grade silicone,adapts to any sensitive skin. The widen chin part design fits different facial types. Also,the mask provides more toughness with durable material and anti-crush Multifunction: The mask can mount action camera and compatible with GOPRO hero3/3+/4, AEE S71/S51/MD10/SD23, or other action cameras