ShadesCases has released its new Shades for the fourth-generation iPod nano and second-generation iPod touch. Made from 100% polyurethane, the cases offer full access to all ports and controls, and are designed to be compatible with most iPod accessories. Available in a wide range of colors, Shades for iPod nano 4G and iPod touch 2G sell for $15 and $17, respectively. In addition, the company has announced its upcoming holiday sale, during which the company will offer discounts of 40%-50% on all cases. The sale will run from November 28 to December 5.