PC MAMA Limited Edition Macbook Air 11" Protective Sleeve Case Combines Patent BTM and Bayer Technology - Black Red Print -Protection -- 6 Layers of Protection: BMT Special Fabrics + BMT spongiform to mitigate impact + 2 Layers of Bayer Damping Film + BMT Buffering Spewing + BMT Micro Suede. The only brand to combine BMT and Bayer, two of the worlds most famous technologies. -Created for MacBook Air, the only Triangle Design. A perfect fit with no extra "fat".Thin and Light. Only 2 mm thick and 116 grams. -Environmentally Friendly. No smell of NEOPRENE, SBR.CR, no odor of glue, completely non-toxic and odor-free by European ROSH standards -The Limited Edition fashionable design will make you stand out. Only 200 available in the US. -The Special Velcro has no hooks; therefore it will never leave any scratches on the MacBook.