... and Expanding Wheels possibly in the bottom Bolt on the flank Origin Patent Product: Expandable Parking Lot BarrierBrand: MAXPANDModel: ... with bubblesSpecifications: 1. Folding and Expanding2. Wheels possibly in the bottom3. Bolt on the flank4. Original Patent5. ... Place: Road, Street, Highway, Shopping Mall, Gas Station, Parking Place, Garden, Plant, Stadium, Airport, Bank, Urgent Construction ...