Meritline offers the Incipio Feather Case for Apple iPhone 4 / 4S in Metallic Black, model no. IPH-516, for $23.99. Coupon code "MLC712WN" trims it to $10.65. With free shipping, that's $2 under our mention from a month ago and the lowest total price we could find by $2. This case touts a 1mm thickness, matte finish, and access to all ports and buttons. It also includes a cleaning cloth and two screen protectors.