Envelopes
Q-Connect Envelope 406x305mm Pocket Self Seal 100gsm Manilla (Pack of 250)
Plain pocket envelopes Quality 100gsm paper Self seal closure Size: 406 x 305mm Colour: manilla Pack of 250
https://www.bizrate.co.uk/envelopes/q-connect-envelope-406x305mm-pocket-self-oid5244024902.html