• Self seal closure - contains a strip of gum on each flap which when pressed together forms an instant bond
• Pocket envelope type, therefore the flap is on the short edge of the envelope
• Blue opaque interior
• Pack of 250 envelopes
5 Star™ Office white C4 envelopes. These envelopes have a blue opaque interior for security and are made from lightweight 90gsm paper, making them perfect for everyday use. They also feature a window which allows you to clearly display the address of your correspondent. This pack contains 250 envelopes.