Product Descriptions :
Full Face Design with Snorkel,Breath smoothly through your nose and mouth .
Enabling you to SEE and BREATHE UNDERWATER just like on DRY LAND .
Clear mask with 180 degree wide vision .
Food-Grade liquid silicone nnorkel ,safety for your scuba .
S/M size for kid
L/XL for adult
S/M size：内径17*13CM， 外径23*19CM
L/XL size：内径19*13CM， 外径23*19CM