For its newsletter subscribers only, EverydaySource offers the Snap-On Rubber Case for Apple iPhone 4 / 4S 2-Pack
for $15.99. Coupon code "S0411CZGS" drops it to $5.49
. With free shipping
, that's pennies below our February mention and the lowest total price we could find for a comparable pair by $4. It includes one black case with a screen protector and one purple case.