I have one new pack (50 pieces) of Light Impressions Balanced seam envelopes to hold sleeved 4x5 negatives, plus 9 extra envelopes. I also have an opened bag of plastic polyguard archival sleeving to fit 4x5 negatives made by Filmguard Corporation, with about 69 sleeves. Also, one new bag (25 pieces) of Archival clear envelopes measuring 5 7/16 by 5 5/16. $15 US net takes it all