Y Book Sleeve for MacBook Air 13-Inch, Black (TR-BSAIR13-BK/EN) Quality PU leather sleeve for MacBook Air protection . Slim shape that is just right for the thickness of MacBook . Easy in and out with rubber hook. Robust genuine leather rivet that endures for repeated use. Raised inner fabric that softly holds MacBook and accessories . Use it also as a desk pad or non-slip pad . Available in 4 colors .