The transparent address window eliminates the need to print or write recipient addresses on each envelope. Simply align your document so the address appears through the window, saving time, reducing labeling errors, and giving every mailing a clean, professional appearance. This makes these envelopes especially convenient for high-volume mailing of invoices, statements, bills, payroll documents, and direct mail. Exact dimensions (9" × 4" / 225 × 110 mm) Paper weight: 90 GSM for enough opaqueness for covering documnets Quantity: 250 pcs per box Color: Standard white Closure: Non Gummed flap Suitable for: laser printers, inkjet, handwriting Opacity of envelope for safe mailing Ideal For Invoices Bank statements Checks Legal documents Marketing mailers Office stationery Business correspondence Choose these 90 GSM white window envelopes for a reliable, professional, and cost-effective mailing solution