20 mesh,copper wire mesh ,copper wie cloth
wire :0.25 mm
aperture :1.02mm
opening area :64.5%
width:1m,1.2m,1.5m,2m,2.5m
length:30m
—–Hebei general metal netting Co.,ltd
http://www.generalmesh.com/wiremesh/copper-wire-mesh.html
products pictures: