Heavy Duty 400mm x 300m Clear Cast Pallet Stretch Wrap Film, Ext. Core (Box of 6)6 x 400mm x 300m 20 Micron Clear Pallet Stretch Wrapping Film This clear stretch wrapping film offers excellent puncture resistance and high tack characteristics. Our cast stretch wrap offers a good level of transparency and is softer and easier to work with than blown stretch wrap. Clear 20 micron cast polythene stretch film Core diameter 38mm Film width 400mm on extended core Film length 300mtr 6 rolls per case Case weight 15. 7kg