Tanga offers the Logitech Ultrathin Portfolio Keyboard Case for Apple iPad Air in Carbon Black, model no. 920-005905, or Midnight Navy, model no. 920-005985, for $64.99 with free shipping. That's the lowest total price we could find by $15, although last month we saw it for $15 less. It features water-repellent materials, 2-sided protection, dual viewing positions, and a range of up to 30 feet.