All4Cellular offers the iSkin Duo Gel Skin Shell Case for the 1st-Generation Apple iPad in five colors for $3.95. Coupon code "A4C10" cuts it to $3.55. With $2 for shipping, that's $4 under our February mention and the lowest total price we could find. This silicone skin features antimicrobial protection and raised screen borders. Deal ends January 16.