Parking lot barrier, Traffic barrier, expandable gate, aluminum barrier, aluminum material + reflective,Luminous in the dark. Parking lot barrier, Traffic barrier, expandable gate, aluminum barrierMaterial: 30 x 30 square tube + Aluminum grating Dimension: H100 X W400 cmColor: red&white, yellow&black..The barrier can be assembled with caster wheels, it will be easy to move.