Plano Guide Series Waterproof Case Medium 3600 Plano's Guide Series waterproof cases are the best protection on the water. Cam-action latches and a Dri-Loc® O-ring seal provide an airtight, waterproof environment so your valuables can travel with you worry-free. Even if they go overboard, contents stay safe in one meter of water for up to 30 minutes. This 3500 size is great for cell phones and wallets. Features: Keep valuables (wallets, phones, cameras, electronics) safe and dry Dri-Loc® O-ring seal Cam-action latches Airtight protective environment Interior slip-resistant rubber pad secures fragile items to prevent potential damage Submersible to 1 meter for up to 30 minutes Convenient wrist strap Footprint equivalent to a 3500 Series StowAway® utility box