Item Number E9156414 Use this double window envelope for convenience when mailing checks. To confirm compatibility with your checks, order a free sample or call our customer service team at the number located at the bottom of this page. Details: Envelope Size: 3 7/8" x 8 5/8" Top window size is 7/8" x 3 3/4" Top window is located 2 5/8" from bottom and 3/8" from left side Bottom window size is 1" x 4" Bottom window is located 9/16" from bottom and 5/8" from left side 24lb security lined white wove stock Quantity discounts built into pricing. Call office for large quantity orders Pricing is for 500 envelopes - Shipping is Free Ships direct from the plant Shipping is Free Pricing is for 500 envelopes