6.thickness:18mm
7.Standard size: European type--1mx1m,1mx2m,1mx0.5m,0.5mx0.5m,0.3mx0.3m.
American type--3’X3’, 4’X4’
1.High quality folding technics with aluminum tube,copper tube and ABS plastic base
2.Height:
European Type: 0.1m, 0.2m, 0.3m, 0.4m, 0.5m, 0.6m, 0.7m, 0.8m, 0.9m,1m, 1.2m
American Type: 8", 16", 24", 32”, 48"
3.One riser can stack on another to make another height(the highest height can not past 1.2M