Staples #10 Security Envelopes with Gummed Flaps - 4-1/8" x 9-1/2" - White - 500 Pack

Send secure mail with Staples #10 Security Envelopes. #10 is a commonly used envelope size for mailing letters, cheques, billing statements, invoices and more. These white envelopes feature a smart, pointed flap with diagonal seam and a gummed closure that is moisture-activated for a secure seal. They are made of sturdy 24 lb stock and feature a solid front. For greater privacy, a security tint prevents others from reading sensitive content.