Suaoki via Amazon offers the Eneeko Full Face Snorkel Mask in several colors (Navy/Green pictured) bundled with a Waterproof Phone Case for $39.99. Coupon code "JG2UN8TG" drops it to $25.59. With free shipping, that's the lowest price we could find by $19. It features a 180° panoramic view, anti-fog shield, and Go Pro compatible band. It's available in sizes S/M or L/XL. Deal ends September 30.