Features: - Drain valve and dry top design for draining away the water by raising up your head when water leaking - Built-in ear plugs design, more convenient to use - Detachable breathing tube design with a storing bag, easy to carry and storage - Equipped with camera mount, easily attached to GoPro camera - High definition, anti-fog, breakage-proof and 180-degree wide view mask - Adjustable elastic fabric headband design, suitable for all kinds of head shape - Suitable for both adults and kids, more practical and useful - Material: liquid silicone and PC - Ideal for diving, swimming, snorkeling and other underwater activities How to Use and Remove Mask: - Put snorkel mask on and place head in water for ensuring no water entering into the mask. - Breathe naturally when the dry top is above water. - Remove the mask by placing your finger into the gap between the mask and your jaw, then push the mask upwards over your face. Package weight: 0.531 kg Package Size(L x W x H): 29.00 x 21.00 x 15.00 cm / 11.42 x 8.27 x 5.91 inches Package Contents: 1 x Mask 1 x Snorkel 2 x Anti-skid Ring 1 x Storing Bag 1 x English Manual