Our TPU Guide Waterproof Phone Cases are a slim yet robust solution for protecting and using your phone in any conditions. RF welded Thermoplastic Polyurethane (TPU) and the zip-lock, triple-roll velcro closure keeps this soft case both watertight and slim. The TPU is PVC free, strong, flexible, durable, UV and extreme cold resistant. The latest addition to the line has been sized to accommodate larger sized phones.