Mead Security Envelope, 4 1/8 X 9 1/2, 20 Lb, White, 40/box (Pack of 3) Go to amazon.com Related posts Best mead security envelopes for 2022 FeatureMead Security Envelope, 4 1/8 X 9 1/2, 20 Lb, White, 40/box Pack of 3NEW DescriptionMead Security Envelope, 4 1/8 X 9 1/2, 20 Lb, White, 40/box (Pack of 3) ...