valbox 200 count #8 double window envelopes 3 5/8" x 8 11/16" flip and seal double window security check envelopes- security tint pattern designed for home office secure mailing valbox "about valbox. </br> </br> engaged in envelopes, paper boxes and other home and office paper products supplies, valbox is a direct-sale store of a paper products manufacture. we advocate the love and natural concept, insisting on using recycled material in the process of production. hope valbox can provide you, our valued customers, the high quality products and intimate service. </br> </br> valbox 3 5/8 x 8 11/16"" quick-seal closure double window envelopes 200 count</br> </br> premium quality. protect to fit quickbooks and computer checks perfectly!</br> </br> window line up perfectly.</br> </br> bottom window location of 3/4"" from the bottom, and a window height of 7/8"" prevents the check amounts from showing in the bottom window like other check envelopes.</br> </br> bottom window location of 7/8"" from the left side, and a window width of 3.5"" makes your recipients address will show without the need to reformat quickbooks for tri-fold, voucher, and 3 checks per page check paper. just print and slide the check in.</br> </br> protect your check security.</br> </br> 24 lb white wove paper, security tint design and stronger glue. your checks will be secure with an easy to use and being a professional look from the box all the way to your destination."