Product Code :KF3446 Manufacturer Code : 8306. Q-Connect 254x178mm 115gsm Self Seal Manilla Envelope (Pack of 250) 8306.Ideal for everyday use, these Q-Connect envelopes are made from heavyweight 115gsm paper with a simple and secure self seal closure. These envelopes measure 254 x 178mm and are made from 75% recycled manilla. This pack contains 250 manilla envelopes.