InCase Nylon Sling Sleeve for 13" inch Macbook, Macbook Pro, MacBook Air .

bag is in perfect condition, only 6 months old and less then half the price of new! you can see all info on the bag here. http://store.apple.com/uk/product/H8638ZM/A/incase-13-nylon-sleeve call or text anytime 07930606399