500#8 Self Seal Business Envelopes, PANDRI No.8 Double Window Design for Business and Quickbooks Check(invoice not fit), Documents Secure Mailing – Number 8 Size 3 5/8 X 8 11/16-24LB

Customers find these business envelopes to be of great quality and good value, with perfect fit for QuickBooks checks. The compatibility receives mixed feedback - while many say they work perfectly with printed checks, some find them completely unusable. The adhesion also gets mixed reviews, with some customers reporting no adhesion at all.