Bulk box of Presquick JMR-10 packing list enclosed envelopes.  Each box weighs 25+ pounds.  I do not know the exact number that this equates to but it will be well over 3000 envelopes.

From the manufacturer:

4-1/2" x 6" ADM C-10/JMR-10 "Packing List Enclosed - This Envelope Contains Important Papers, Do Not Destroy" Envelopes.  The pressure sensitive adhesive backing instantly bonds to boxes, cases, tubes and other containers.

PLEASE EMAIL PRIOR TO PURCHASE WITH ANY QUESTIONS THAT YOU MAY HAVE.  ALSO PLEASE VIEW AND ENLARGE ALL PHOTOGRAPHS AS THEY SERVE AS PART OF THE DESCRIPTION.  I DO MY BEST TO DESCRIBE MY ITEMS AND THEIR CONDITION, BUT AS THEY SAY "PICTURES SPEAK 1000 WORDS" AND CAN DO A BETTER JOB THAN ME IN TRULY ALLOWING YOU TO SEE WHAT YOU ARE GETTING.   I WANT YOU TO BE 100% CONFIDENT IN YOUR PURCHASE EVEN BEFORE YOU BUY!!