MacBook Air 13-inch Case, Incipio [Ultra Thin] [Snap On Case] Feather Case for MacBook Air 13-inch-Translucent Blue Sleek and transparent design lets the Apple logo show through. Bottom ventilation slots and rubber feet facilitates airflow and enhances grip. High density Plextonium polycarbonate construction for premium durability. Specially engineered to provide lightweight and travel-friendly laptop protection.