These popular business checks streamline accounts payable by handling multiple invoices with 1 versatile computer check! Send our middle laser check with an attached voucher to ensure proper vendor credit for every transaction covered. Built-in check security trusted by 7,000 financial institutions nationwide, with features such as chemically sensitive paper, microprint border, invisible fluorescent fibers, erasure protection, security screen & warning box. Top & bottom tear-off vouchers detail invoice numbers, dates, amounts & more. Sheet format fits all standard laser & inkjet printers.