Shop4Tech offers the Macally Glow-in-the-Dark Case for Apple iPhone 4 / 4S in Black, model no. LUMT, for $24.99. Coupon code "AX17" cuts it to $20.74. With free shipping, that's tied with our mention from two weeks ago as the lowest total price we could find by $4. This glow-in-the-dark hardshell case features rubberized edges, access to all connections and controls, and more. Coupon expires December 31.