Crumpler School Hymn Laptop Sleeve,S 13" MBP,Black/Grey Lightly padded, semi-rigid, zip-up, work in/work out, protective laptop computer clamshell clutch case, tailor made for MacBook 13" MacBook 13" Satchels to hug yr small, big or biggest lappies and like fluff-free tights, they're hard on the outside, with a prefect-like zip guard...