Explore iPhone 8 Plus Waterproof Cases by Skinit. Each Apple iPhone 8 Plus Waterproof Case is made to keep your iPhone dry and protected underwater and above water. Featuring a fully-enclosed water proof phone case that keeps iPhone functionality and water proof protection in mind. Protect your iPhone 8 Plus from water, snow, sweat and dirt. Browse all waterproof phone cases for iPhone 8 Plus below & buy an iPhone 8 Plus Waterproof Case that exceeds your needs.