SPECIALLY DESIGN TO ALLOW AIR FLOWING INTO THE SIDE AIRFLOW VENTS    PROTECTS YOUR MAC BOOK PRO 13 13.3 INCHES FROM ACCIDENTAL HARD KNOCKS AND SCRATCHES    FULLY ACCESS TO ALL BUTTONS AND FEATURES    PLUG YOUR CHARGER, CABLE OR HEADSET WITHOUT REMOVING THE CASE    SIMPLE CLIP-ON/OFF DESIGN WITHOUT THE ADDED RISK OF HARMING YOUR LAPTOP DURING APPLICATION.