These are good quality strong 60 micron grey postage mailing bags. Easy to use, simply insert your product inside the bag remove the self seal strip and seal for a professional finish. These mailing bags are 100% eco friendly and are made from extra strong bio degradable plastic. Economical, strong and ideal for all kinds of items. These postage mailing bags are sure to make dispatching much easier. Minimum order quantity is only 50 bags.