Gomadic clean and dry waterproof protective case suitablefor the Sierra Wireless Overdrive 3G/4G Mobile Hotspot to use underwater - Unique Floating Design Specifications: Inner dimensions (Sierra Wireless Overdrive 3G/4G Mobile Hotspot specific) weight (Base 3oz. empty) / Cleaning Cloth (included) / Detachable Strap (Yes) Case is easy to operate and can be safely opened and securely closed in seconds Designed to accommodate 79.14 x 79.54 x 15.94 mm - perfect for the Sierra Wireless Overdrive 3G/4G Mobile Hotspot The case is depth tested up to 12 Feet. Also provides excellent protection against rain, sand and dust. Perfect for the beach, waterparks, swimming pools or any place where the elements could potentially damage the Sierra Wireless Overdrive 3G/4G Mobile Hotspot.