Business Source No. 10 Self-seal Invoice Envelopes Business – #10 – 4 1/8″ Width x 9 1/2″ Length – 24 lb – Self-sealing – White – 500 / Box (BSN04644)

No. 10 invoice envelopes offer a self-sealing design that makes envelopes quick and easy to close. 24 lb. envelopes require no moisture to seal. Unique double-flap design keeps the gum from sticking before use. Simply raise the lower flap and press.