Atlantic today announced the Raindrop Sleeve, a lightweight neoprene case designed to tightly fit and protect the MacBook line of notebook computers. The sleeve is available in several sizes to fit and protect 13-, 15-, and 17-inch MacBook models. Available in black or titanium, it also features a hidden zipper, four millimeter thick, high-density neoprene and a seamless inner surface to prevent scratching the notebook’s finish. The Raindrop Sleeve will be available in April for US$24.99, $27.99 and $29.99.