As one of its daily deals, Pennywise offers the OtterBox Defender Case with Holster for iPhone 4 / 4S in Black, model no. 77-18581, or Gray, model no. 77-18579, for $18.99. Coupon code "DEALNEWS1" cuts it to $17.99. With 1-cent for shipping, that's tied with our mention from four weeks ago and the lowest total price we could find by $7. It features a clear protective membrane for the touchscreen plus openings for the camera lens, dock connector port, and home button. Deal ends today at 9 pm ET.