Apple has sold more than three million iPads since their April debut, and designers have taken note, using every sort of material and texture—felt, rubber, pebbled leather—to create cases for the gadget-to-get. From electric-blue Valextra to Smythson’s sumptuous brown crocodile and amber snakeskin, ColorWare’s custom paint-ons, Tumi’s durable neoprene and Bottega Veneta’s signature Intrecciato, a look at some of our favorite ways to cover the iPad.