Hamilton Products via Amazon offers the Extreme Protective Case for GoPro Cameras, model no. THX1138, for $29.99. Coupon code "E9PRVCNS" cuts that to $4.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.44.) That's $55 off list and the lowest total price we could find. This weatherproof and shockproof case features a hand strap and carabiner, and fits the GoPro HD HERO 960, HD Hero1, HD Hero2, HD Hero3 and Hero4 cameras.