Sterling Smart Strap Checkfast Notebook Portfolio has Smart Strap shoulder strap, that automatically retracts into case when not in use. Travel Sentry approved, meets all checkpoint friendly requirements to allow clear CheckFast x-ray scanning. Clamshell design separates laptop from accessories allowing you to clear airport security without having to remove laptop from case. Ride Along feature allows you to slip case over telescoping handle system for consolidated travel. Zip-down front organizer and file compartment within main compartment keeps documents safe.