Address-Window Envelope, #10, Commercial Flap, Gummed Closure, 4.13 x 9.5, White, 500/BoxAvailable in large quantities, these commercial envelopes are great for bulk mailings.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.