$20.50($40.99) TOMSHOO 180° full face Snorkel Mask with Action Camera mount for $20.5 (5 Colors for Choice) @ Amazon
1.ANTY-FOG, DRY SNORKEL Technology
ANTY-FOG Design helps eliminates fogging and makes it easier than ever to breathe. DRY SNORKEL Technology Stops salt water from getting into your mouth and prevents gagging.
2.180° FULL FACE DESIGN
180° viewing area- the biggest of any snorkel mask on the market today guaranteeing that you will see underwater more fish and sea creatures than ever before.
3. GOOD PISTON DESIGN
4. WATERPROOF EARPLUGS