Heys Portal Smart&trade; Business Case (Pewter) The Portal SmartBusiness case comes with a built in three-digit combination TSA lock, and features a four wheel spinner system that allows for effortless gliding in different terrains. The combination of the SmartLuggage system, spinner wheels, a lightweight telescopic handle system, water-resistant zippers, and multi-riveted top and side handles comprises one of our most durable luggage designs. Dimensions: 18 Material: 100% Polycarbonate Weight: 8 lbs.