Cool Wolf Stylish 13" 13.1" 13.3" Laptop Notebook Sleeve Flip Cover Case Protector For HP Folio 13 /Samsung Ultrabook Series 9 13.3" /SONY VAIO PRO 13 13.3" /13" Toshiba Satellite /Lenovo IdeaPad Yoga 13" /Apple MacBook 13" /Dell Inspiron 13z /Dell Inspiron 13R /Hewlett Packard 13.3-Inch /Sony VAIO Duo 13 Touch Ultrabook Laptop PC