... strength,environmentally-friendly. 2Available machine & man hand wrap film The thinnest thickness we can do is 13 microns,elongation ... puncthure SGSWe are specialize in hand stretch film, machine stretch film, coloured stretch film and silage film for many years. 6 productions liners ... 3kg, NW 2.3kg orGW 2.9kg, NW 2.4kgPeculiaritySelf- adhesive, non-toxic, water proof Thickness (u)17u, 18u, 20u, ...