Groupon offers the Northwest Waterproof & Impact-Resistant Camera Case, model no. 75-PC2809, for $39.99 with free shipping. That's $35 off list and the lowest total price we could find for this case. It measures 3.5" x 11" x 10" and features high-impact polycarbonate, waterproof seal, throw-down latches, pressure-equalization purge valve, and fits most cameras and lenses. Deal ends August 7 at 12:59 am ET.