Material Features: Advanced silicone mask， mask with a drain valve， such as a small amount of water into the inside of the mask diving， can be ruled out through the drain valve freely without take off the mask， allowing you to dive more enjoyable.

1. The mirror is adjustable headband， can quickly adjust side buckles， new design， and convenient.

2. The silicone mask edging mirror with silicone

3. skin contact at all for silicone material， soft and non-toxic， combined with sensitive skin.

4: Bezel soft， waterproof.