Tops Products is a leading manufacturer of ring binders business forms note taking and filing products which are used in offices schools and homes throughout the world. For over 35 years Tops has been helping companies fulfill their tax and business form needs. Our years of experience working closely with the IRS guarantees the accuracy of all specifications and IRS compliance. As a result we ve set the standards for excellence in service and product quality and continue to lead the way. The Tops Double Window Tax Form Envelopes for W-2 Laser Forms are designed to match up perfectly with your W-2 laser forms. Each envelope in this set of 50 is security tinted inside to protect confidential information. The double windows are on the left to align perfectly with both employee address and employer information. Each envelope features a preprinted Important Tax Return Document Enclosed message to help ensure delivery. The seams are v-shaped and flaps feature a self-seal adhesion for added convenience. You can trust Tops to provide the most comprehensive line of tax forms and supplies available. For trusted accuracy and compliance with all of your tax form requirements choose Tops the industry leader. We know tax forms! Use with W-2 laser forms. Self-seal closure. Security tinted for privacy. 50 envelopes per pack. Product Dimensions: 9 x 5.6 x 1.4.