Leak proof and anti-shock: PC material with snorkel, anti-shock and wear resistant. Silicone water-stop valve plate, with great leak proof effect. Snorkel size: about 45 3 11cm/17.7 1.2 4.3 in. Diving goggles size: about 17 11 7cm/6.7 4.3 2.7 in.
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