60mu which is 240 gauge

Ideal for mail order, courier services and in particular the legal profession where confidentiality is important.  Made from a three layer 60mu / 240 gauge film, rather than the standard mono layer film used for standard mailing bags, these are really tuff envelopes.  With a unique grade of hot melt glue used for sealing the bags, once they are sealed, they are sealed!!  Bags can be addressed and accept labels, stamps and biro

If you need mailing bags which are 100% opaque ands extra tuff and durable, then you need these