This well-built mask has a high quality, two-window design which provides great visual clarity. The soft and skin-touch silicone skirt and strap allow a water-tight seals. And Its adjustable buckles allow you to pull the strap for a secure and comfortable fit. 

Features:
Two-window tempered glass lens for great visual clarity.
Interlocking frame technology.
Optimum rigidity and support.
Comfort-fit silicone skirt for water-tight seal.
Split adjustable silicone strap for comfy security.
Streamline stylish shape for snug fit.

Specifications:
Color: Blue / Yellow (Optional)
Frame: PC
Lens: Tempered glass
Skirt: Silicone
Strap: Silicone
Frame size: 168 * 90mm / 6.6 * 3.5in
Lens size: 66 * 61mm / 2.6 * 2.4in
Package weight: 222g / 7.8oz  

Package List:
1 * Diving Mask