Church offering envelopes make it convenient for givers and treasurers. Bill-size. These undated envelopes are large enough to hold unfolded checks and currency. These envelopes are blank - they can be printed according to your specific needs - special funds, designated offerings, etc.. 3 1/8" x 6 1/4" envelope Package of 100 Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.