This is the wonderful Matrix 2 Lens Mask for you to enjoy on your next dive. Features of this great mask include: Quality Product Ideal for medium to large faces Slim frame eliminates the bulky and cumbersome look Excellent downward vision Ultra low volume design 2-window style Crystal, liquid silicone injected skirt and strap Tempered glass lenses Quick Release Swivel Buckle - allowing easy removal of strap and inclinations in various angles Double skirt edge comfort seal Easy access soft nose for easy equalizing This 2-Window Scuba & Snorkeling Mask is fantastic for scuba diving and snorkeling.