Master Dolphin's water proof armor. This is my favorite.
海豚大师的防水盔甲, 这是我的最爱.
英语百科
Waterproofing
(重定向自Water Proof)
Waterproofing is the process of making an object or structure waterproof or water-resistant, so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions. Such items may be used in wet environments or under water to specified depths.