Inquiry (采购产品): Help We are having problems with zip lock ties poking holes in our bags of liquid in pails. 20 liler 5 mil bag, 18 kg in a pail. Any suggestions for a eazy to use closure? **** Hidden Message ***** Terry Porter BC V3M 6K7 CAN Company: Sialco Materials LTD Title: President Phone: 604 520-7181 E-mail: tporter@sialco.com **** Hidden Message ***** tporter@sialco.com