Optimatch Universal Waterproof Cell Phone Case, Cell Phone Dry Bag with Armband and Neck Lanyard for all smartphones with touch-screens up to a 6 inch diagonal &ndash; Blue Waterproof protection up to a 100 foot depth. Also protects the cell phone from snow, dust, sand, dirt and severe weather. Compatible with all smartphones with touch-screens up to a 6 inch diagonal. EASY TO CARRY with either an Arm Band or Neck Lanyard (both are included). Large Touch-through Window maintains a full touch-screen functionality even underwater. Enjoy recording fantastic underwater moments without a professional underwater camera. Wheel Design Secure Lock makes it effortless to seal or to open. Highly useful for water sports and outdoor sports, like snorkeling, swimming, boating, hiking, camping, and so on. Three-month Warranty and a Lifetime Service Guarantee.