Cambond via Amazon offers its Cambond Universal Floating Waterproof Cell Phone Case 3-Pack in Blue/Orange/Black for $13.99. Coupon code "WUTWP7HD" drops it to $10.99. Plus, Prime members bag free shipping. That's tied with our mention from last week, $19 off, and the lowest price we could find. These IPX8-certified cases are waterproof up to 100 feet.