Senyx via Amazon offers Prime members the CaseCrown Bold Standby Pro Case for Apple iPad Air in Black for $16.19. Coupon code "EBWK5KJE" drops it to $3.99. With free shipping, that's $31 under buying it direct from CaseCrown. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.06.) It features a built-in magnetic strip to provide sleep / wake function, and two viewing stand options.