Ensure secure and professional mailing with our #8 double window check envelopes (3.625" x 8.625"). These envelopes are expertly designed for mailing checks, and other important documents. The double window design allows for easy visibility of essential information, featuring a top window (7/8" x 3.5") and a bottom window (7/8" x 3.5"). This ensures that the memo, payee line, and amount remain hidden, enhancing security during transit. Made from durable 24 lb / 90 gsm paper, our security envelopes include a privacy tint to protect sensitive information. The self-sealing flip & stick feature allows for quick and mess-free sealing, making these envelopes ideal for frequent use. Available in bulk quantities and compatible with both laser and inkjet printers, our #8 double window envelopes are the perfect solution for high-volume mailing. For a secure and efficient choice, opt for our check envelopes self seal that enhance your professional image while providing all the necessary features of business envelopes.