Materials of mask:
Lens: Tempered glass
Skirt/Strap: Silicone
Frame: PC
Feature:
High quality silicone skirt and strap.
Designed to fit a wide range of facial profile with comfort.
The glasses are designed to be exceptionally comfortable with a lightweight frame.
The soft silicone will from around you face shape and seal the edge.And the nose support made of soft silicone,make you feel comfortable.
The mask also has adjustable straps for your snorkeling comfort.