In the picture above you see a $20 universal mobile phone waterproof case up to 1 meter (3 feet). This way you do not have to worry about breaking your iPhone while walking in the rain because this case protects from weather, dust, dirt, impact and scratches. You can even take underwater pictures or videos.

Features:
• Waterproof up to 1 meter / 3 feet, IP68 Certified
• Allows touch, text, talk and listen phone functions
• Take videos underwater
• Protects from weather, dust, dirt, impact and scratches
• Space for waterproof storage of credit card & money
• Lanyard included

The case is available for $19.99 here.

Source [FSM]