Best Seller | "Universal Office Products 35210 Open-Side Business Envelope, #10, Monarch Flap, Gummed Closure, 4.13 x 9.5, White, 500/Box - Box of 500 Envelopes" "Plain Envelopes, #10, 4 1/8 x 9 1/2, White are perfect for sending letters, invoices, checks or any other business correspondence. These envelopes are made of business-weight, 24 lb. stock with a woven finish and diagonal seams, which gives these... ... more "Universal Office Products 35210 Open-Side Business Envelope, #10, Monarch Flap, Gummed Closure, 4.13 x 9.5, White, 500/Box - Box of 500 Envelopes" "Plain Envelopes, #10, 4 1/8 x 9 1/2, White are perfect for sending letters, invoices, checks or any other business correspondence. These envelopes are made of business-weight, 24 lb. stock with a woven finish and diagonal seams, which gives these... ReStockIt | | $19.37 go to store |