Carry-on size fit in over head of most domestic airlines. Made from 100% Virgin Polycarbonate formulated to achieve the highest standards of extreme temperature and impact resistance. Fully lined interior offers two packing compartments with tie-down straps on one side and a zippered divider on the other side to minimize shifting of contents during travel. Unique brake system is activated with button and locks the two front wheels of the luggage, preventing the bag from drifting away while allowing travelers to roll the bag on the two back wheels. Recessed lock allows only TSA agents to open and inspect bag without damaging the lock. Silent-running double spinner wheels assure smooth maneuverability and add comfort to your journey.