Description: M2068G is a full-face snorkeling mask for universal sport action cameras. What makes it unique when compared to other snorkeling masks is the 180 degree wide viewing window and the anti-fogging system. What is more, the floating ball in the breathing tube will prevent water from entering the mask when under the sea.   Main Features: Automatically closing the inhaling channels when under water  With drainage valves Four adjustable elastic fabric headband design, suitable for all kinds of head shapes Water-tight with ergonomic design, perfect for human face, no inhaled water  Food-grade silicone and PC material, no skin irritation, which is eco-friendly and non-toxic odor   Please Note: The action cameras showed in the pictures are not included in the package   Product weight: 0.4940 kg Package weight: 0.6700 kg Product size : 26.00 x 18.00 x 11.50 cm  Package size : 40.00 x 28.00 x 14.00 cm