TOP CASE - Physics Formulas Rubberized Hard Case Compatible with Apple MacBook Air 13" Model: A1369 and A1466 - Not Compatible 2018 Version A1932 MacBook Air 13" Retina Display - Black Physics Formulas designed Macbook Case Cover Perfect fit for Apple Macbook Air 13" A1369 & A1466 This Fun, nerdy and mathematical case with equations and formulas from Einstein, Parsec, Kinetic and much more... Ultra slim design that is light in weight, durable and has long lasting protection for your laptop Made from strong materials to protect your laptop from scratches, dints, scrapes, spills and dirt Come with TopCase logo graphic mouse pad