This Leather Sleeve is a sleek and streamlined design that smartly protects your Ultrabook from the elements, while being slim enough to carry inside another bag. -Genuine leather exterior -Tapered design to fit 13.3" Ultrabook perfectly -Padded interior with soft velveteen lining -Fastens with signature knomo ‘oo’ brushed nickel zip pullers -Fabric zipper guard in cotton to prevent scratches when opening/closing sleeve -Unique ‘If Lost’ ID number to help reunite you with your knomo