Description: Features: Durable with camera mount, easy attached to gopro cameras. Double air-flow channel - inhaling and exhaling separate channels for anti-fogging. Broadside dual sealing design is from imitating human face, made of liquid silicone without skin irritation. 180 degree wide viewing with anti-impact safety window for good vision. With a breathing tube with dry top technology, you can breathe freely underwater. Drain value in the mask, to drain away the water by raising up your head when water leaking. Four adjustable elastic fabric headband, easy to wear and suitable for all kinds of head shape. Ideal for diving, swimming, snorkeling and other underwater activities. Specification: Size: PC+ABS+silicone S/M:17*13cm L/XL:19*13CM Material: Note: GoPro & GoPro waterproof case is not included. Package Contents: 1 x Diving Mask for Glopro 1 x Breathing Tube 1 x English User Manual 1 x Bag of Mounting Accessories Product type: Diving Masks The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws.