HandHeldItems again takes an extra 20% off iPhone 4 / 4S cases via coupon code "20iphonecs". With prices starting at $1.59 after coupon, it's the best discount we've seen on these items from HandHeldItems in recent months. Shipping starts at $2.85, although many items receive free shipping. Deal ends March 15.

A best bet is the IGg TPU Looperband Case 2-Pack for iPhone 4 / 4S in five colors (Black & Green pictured) for $2.99 before coupon, $2.39 after. With free shipping, it's $17 off and the lowest total price we could find for a Looperband case 2-pack.