This well-built mask has a high quality, tough and shatter and scratch resistant one-piece tempered glass lens. Its easily-adjusting buckles let you simply pull the strap for a secure and comfortable fit. The soft and skin-touch silicone skirt and strap allow a water-tight seals. 

Features: 
One-window tempered glass lens mask for great visual clarity.
Wide, expanded and superior field of vision.
Interlocking frame technology.
Optimum rigidity and support.
Comfort-fit silicone skirt for water-tight seal.
Anti-fog coating for clear viewing.
One hand strap-adjusting buttons.
Split silicone strap for comfort and security.
Streamline stylish shape for snug fit.

Specifications:
Color: Black / Pink / Yellow / Dark Blue / Blue (Optional)
Frame: PC
Lens: Tempered glass
Skirt: Silicone 
Strap: Silicone
Frame size: 164 * 84mm / 6.5 * 3.3in
Lens size: 143 * 67mm / 5.6 * 2.6in
Package weight: 207g / 7.3oz 

Package List: 
1 * Diving Mask